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Finding the Fourth Proportional to 627,714.80, 941,572.20 and 581,634.80

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Solution

The fourth proportional to 627,714.80, 941,572.20 and 581,634.80 is: 872,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,714.80 : 941,572.20 = 581,634.80 : x
  2. Step 2: Convert to fraction form
    627,714.80/941,572.20 = 581,634.80/x
  3. Step 3: Cross multiply
    627,714.80x = 941,572.20 × 581,634.80
  4. Step 4: Simplify right side
    627,714.80x = 547,651,158,232.56
  5. Step 5: Solve for x
    x = 547,651,158,232.56/627,714.80
  6. Step 6: Final answer
    x = 872,452.20

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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.