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Finding the Fourth Proportional to 546,487.92, 754,024.56 and 331,622.88

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Solution

The fourth proportional to 546,487.92, 754,024.56 and 331,622.88 is: 457,561.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,487.92 : 754,024.56 = 331,622.88 : x
  2. Step 2: Convert to fraction form
    546,487.92/754,024.56 = 331,622.88/x
  3. Step 3: Cross multiply
    546,487.92x = 754,024.56 × 331,622.88
  4. Step 4: Simplify right side
    546,487.92x = 250,051,796,177.93
  5. Step 5: Solve for x
    x = 250,051,796,177.93/546,487.92
  6. Step 6: Final answer
    x = 457,561.43

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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.