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Finding the Fourth Proportional to 688,542.53, 950,033.00 and 416,603.66

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Solution

The fourth proportional to 688,542.53, 950,033.00 and 416,603.66 is: 574,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,542.53 : 950,033.00 = 416,603.66 : x
  2. Step 2: Convert to fraction form
    688,542.53/950,033.00 = 416,603.66/x
  3. Step 3: Cross multiply
    688,542.53x = 950,033.00 × 416,603.66
  4. Step 4: Simplify right side
    688,542.53x = 395,787,221,212.12
  5. Step 5: Solve for x
    x = 395,787,221,212.12/688,542.53
  6. Step 6: Final answer
    x = 574,818.85

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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.