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Finding the Fourth Proportional to 704,336.76, 971,978.98 and 382,046.04

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Solution

The fourth proportional to 704,336.76, 971,978.98 and 382,046.04 is: 527,220.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,336.76 : 971,978.98 = 382,046.04 : x
  2. Step 2: Convert to fraction form
    704,336.76/971,978.98 = 382,046.04/x
  3. Step 3: Cross multiply
    704,336.76x = 971,978.98 × 382,046.04
  4. Step 4: Simplify right side
    704,336.76x = 371,340,720,272.24
  5. Step 5: Solve for x
    x = 371,340,720,272.24/704,336.76
  6. Step 6: Final answer
    x = 527,220.42

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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.