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Finding the Fourth Proportional to 626,825.52, 861,692.64 and 539,291.04

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Solution

The fourth proportional to 626,825.52, 861,692.64 and 539,291.04 is: 741,359.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,825.52 : 861,692.64 = 539,291.04 : x
  2. Step 2: Convert to fraction form
    626,825.52/861,692.64 = 539,291.04/x
  3. Step 3: Cross multiply
    626,825.52x = 861,692.64 × 539,291.04
  4. Step 4: Simplify right side
    626,825.52x = 464,703,119,985.95
  5. Step 5: Solve for x
    x = 464,703,119,985.95/626,825.52
  6. Step 6: Final answer
    x = 741,359.61

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.