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Finding the Fourth Proportional to 627,618.36, 866,092.14 and 359,294.52

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Solution

The fourth proportional to 627,618.36, 866,092.14 and 359,294.52 is: 495,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,618.36 : 866,092.14 = 359,294.52 : x
  2. Step 2: Convert to fraction form
    627,618.36/866,092.14 = 359,294.52/x
  3. Step 3: Cross multiply
    627,618.36x = 866,092.14 × 359,294.52
  4. Step 4: Simplify right side
    627,618.36x = 311,182,159,717.07
  5. Step 5: Solve for x
    x = 311,182,159,717.07/627,618.36
  6. Step 6: Final answer
    x = 495,814.30

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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.