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Finding the Fourth Proportional to 504,020.30, 756,030.45 and 224,084.30

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Solution

The fourth proportional to 504,020.30, 756,030.45 and 224,084.30 is: 336,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,020.30 : 756,030.45 = 224,084.30 : x
  2. Step 2: Convert to fraction form
    504,020.30/756,030.45 = 224,084.30/x
  3. Step 3: Cross multiply
    504,020.30x = 756,030.45 × 224,084.30
  4. Step 4: Simplify right side
    504,020.30x = 169,414,554,166.94
  5. Step 5: Solve for x
    x = 169,414,554,166.94/504,020.30
  6. Step 6: Final answer
    x = 336,126.45

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Half scale
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Double scale
Find fourth proportional to 504,021.30, 756,031.95 and 224,085.30
Similar ratio
Find fourth proportional to 756,030.45, 1,134,045.68 and 336,126.45
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.