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Finding the Fourth Proportional to 704,601, 972,346.12 and 382,310.30

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Solution

The fourth proportional to 704,601, 972,346.12 and 382,310.30 is: 527,586.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,601 : 972,346.12 = 382,310.30 : x
  2. Step 2: Convert to fraction form
    704,601/972,346.12 = 382,310.30/x
  3. Step 3: Cross multiply
    704,601x = 972,346.12 × 382,310.30
  4. Step 4: Simplify right side
    704,601x = 371,737,936,841.04
  5. Step 5: Solve for x
    x = 371,737,936,841.04/704,601
  6. Step 6: Final answer
    x = 527,586.45

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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.