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Finding the Fourth Proportional to 627,419.60, 941,129.40 and 532,941.20

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Solution

The fourth proportional to 627,419.60, 941,129.40 and 532,941.20 is: 799,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,419.60 : 941,129.40 = 532,941.20 : x
  2. Step 2: Convert to fraction form
    627,419.60/941,129.40 = 532,941.20/x
  3. Step 3: Cross multiply
    627,419.60x = 941,129.40 × 532,941.20
  4. Step 4: Simplify right side
    627,419.60x = 501,566,631,791.28
  5. Step 5: Solve for x
    x = 501,566,631,791.28/627,419.60
  6. Step 6: Final answer
    x = 799,411.80

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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.