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Finding the Fourth Proportional to 627,773.80, 941,660.70 and 581,693.80

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Solution

The fourth proportional to 627,773.80, 941,660.70 and 581,693.80 is: 872,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,773.80 : 941,660.70 = 581,693.80 : x
  2. Step 2: Convert to fraction form
    627,773.80/941,660.70 = 581,693.80/x
  3. Step 3: Cross multiply
    627,773.80x = 941,660.70 × 581,693.80
  4. Step 4: Simplify right side
    627,773.80x = 547,758,190,893.66
  5. Step 5: Solve for x
    x = 547,758,190,893.66/627,773.80
  6. Step 6: Final answer
    x = 872,540.70

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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.