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Finding the Fourth Proportional to 504,042.90, 756,064.35 and 223,560.15

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Solution

The fourth proportional to 504,042.90, 756,064.35 and 223,560.15 is: 335,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,042.90 : 756,064.35 = 223,560.15 : x
  2. Step 2: Convert to fraction form
    504,042.90/756,064.35 = 223,560.15/x
  3. Step 3: Cross multiply
    504,042.90x = 756,064.35 × 223,560.15
  4. Step 4: Simplify right side
    504,042.90x = 169,025,859,495.65
  5. Step 5: Solve for x
    x = 169,025,859,495.65/504,042.90
  6. Step 6: Final answer
    x = 335,340.23

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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.