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Finding the Fourth Proportional to 627,759.60, 941,639.40 and 603,265.20

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Solution

The fourth proportional to 627,759.60, 941,639.40 and 603,265.20 is: 904,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,759.60 : 941,639.40 = 603,265.20 : x
  2. Step 2: Convert to fraction form
    627,759.60/941,639.40 = 603,265.20/x
  3. Step 3: Cross multiply
    627,759.60x = 941,639.40 × 603,265.20
  4. Step 4: Simplify right side
    627,759.60x = 568,058,280,968.88
  5. Step 5: Solve for x
    x = 568,058,280,968.88/627,759.60
  6. Step 6: Final answer
    x = 904,897.80

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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.