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Finding the Fourth Proportional to 627,166.26, 865,615.50 and 372,468.24

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Solution

The fourth proportional to 627,166.26, 865,615.50 and 372,468.24 is: 514,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,166.26 : 865,615.50 = 372,468.24 : x
  2. Step 2: Convert to fraction form
    627,166.26/865,615.50 = 372,468.24/x
  3. Step 3: Cross multiply
    627,166.26x = 865,615.50 × 372,468.24
  4. Step 4: Simplify right side
    627,166.26x = 322,414,281,801.72
  5. Step 5: Solve for x
    x = 322,414,281,801.72/627,166.26
  6. Step 6: Final answer
    x = 514,081.04

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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.