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Finding the Fourth Proportional to 529,010.16, 730,257.42 and 357,160.92

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Solution

The fourth proportional to 529,010.16, 730,257.42 and 357,160.92 is: 493,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,010.16 : 730,257.42 = 357,160.92 : x
  2. Step 2: Convert to fraction form
    529,010.16/730,257.42 = 357,160.92/x
  3. Step 3: Cross multiply
    529,010.16x = 730,257.42 × 357,160.92
  4. Step 4: Simplify right side
    529,010.16x = 260,819,411,964.03
  5. Step 5: Solve for x
    x = 260,819,411,964.03/529,010.16
  6. Step 6: Final answer
    x = 493,032.90

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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.