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Finding the Fourth Proportional to 704,729.13, 972,526.82 and 382,439.22

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Solution

The fourth proportional to 704,729.13, 972,526.82 and 382,439.22 is: 527,766.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,729.13 : 972,526.82 = 382,439.22 : x
  2. Step 2: Convert to fraction form
    704,729.13/972,526.82 = 382,439.22/x
  3. Step 3: Cross multiply
    704,729.13x = 972,526.82 × 382,439.22
  4. Step 4: Simplify right side
    704,729.13x = 371,932,398,469.88
  5. Step 5: Solve for x
    x = 371,932,398,469.88/704,729.13
  6. Step 6: Final answer
    x = 527,766.46

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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.