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Finding the Fourth Proportional to 541,593.02, 812,426.42 and 142,233.12

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Solution

The fourth proportional to 541,593.02, 812,426.42 and 142,233.12 is: 213,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,593.02 : 812,426.42 = 142,233.12 : x
  2. Step 2: Convert to fraction form
    541,593.02/812,426.42 = 142,233.12/x
  3. Step 3: Cross multiply
    541,593.02x = 812,426.42 × 142,233.12
  4. Step 4: Simplify right side
    541,593.02x = 115,553,944,842.61
  5. Step 5: Solve for x
    x = 115,553,944,842.61/541,593.02
  6. Step 6: Final answer
    x = 213,359.37

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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.