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Finding the Fourth Proportional to 518,549.16, 715,572.18 and 292,209.24

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Solution

The fourth proportional to 518,549.16, 715,572.18 and 292,209.24 is: 403,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,549.16 : 715,572.18 = 292,209.24 : x
  2. Step 2: Convert to fraction form
    518,549.16/715,572.18 = 292,209.24/x
  3. Step 3: Cross multiply
    518,549.16x = 715,572.18 × 292,209.24
  4. Step 4: Simplify right side
    518,549.16x = 209,096,802,882.94
  5. Step 5: Solve for x
    x = 209,096,802,882.94/518,549.16
  6. Step 6: Final answer
    x = 403,234.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.