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Finding the Fourth Proportional to 627,737.30, 941,605.95 and 581,657.30

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Solution

The fourth proportional to 627,737.30, 941,605.95 and 581,657.30 is: 872,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,737.30 : 941,605.95 = 581,657.30 : x
  2. Step 2: Convert to fraction form
    627,737.30/941,605.95 = 581,657.30/x
  3. Step 3: Cross multiply
    627,737.30x = 941,605.95 × 581,657.30
  4. Step 4: Simplify right side
    627,737.30x = 547,691,974,540.94
  5. Step 5: Solve for x
    x = 547,691,974,540.94/627,737.30
  6. Step 6: Final answer
    x = 872,485.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.