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Finding the Fourth Proportional to 755,607, 1,042,737.66 and 416,074.44

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Solution

The fourth proportional to 755,607, 1,042,737.66 and 416,074.44 is: 574,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,607 : 1,042,737.66 = 416,074.44 : x
  2. Step 2: Convert to fraction form
    755,607/1,042,737.66 = 416,074.44/x
  3. Step 3: Cross multiply
    755,607x = 1,042,737.66 × 416,074.44
  4. Step 4: Simplify right side
    755,607x = 433,856,487,951.41
  5. Step 5: Solve for x
    x = 433,856,487,951.41/755,607
  6. Step 6: Final answer
    x = 574,182.73

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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.