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Finding the Fourth Proportional to 504,021.70, 756,032.55 and 224,085.70

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Solution

The fourth proportional to 504,021.70, 756,032.55 and 224,085.70 is: 336,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,021.70 : 756,032.55 = 224,085.70 : x
  2. Step 2: Convert to fraction form
    504,021.70/756,032.55 = 224,085.70/x
  3. Step 3: Cross multiply
    504,021.70x = 756,032.55 × 224,085.70
  4. Step 4: Simplify right side
    504,021.70x = 169,416,083,189.54
  5. Step 5: Solve for x
    x = 169,416,083,189.54/504,021.70
  6. Step 6: Final answer
    x = 336,128.55

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Half scale
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Double scale
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Similar ratio
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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.