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Finding the Fourth Proportional to 632,497.20, 948,745.80 and 604,503.60

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Solution

The fourth proportional to 632,497.20, 948,745.80 and 604,503.60 is: 906,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,497.20 : 948,745.80 = 604,503.60 : x
  2. Step 2: Convert to fraction form
    632,497.20/948,745.80 = 604,503.60/x
  3. Step 3: Cross multiply
    632,497.20x = 948,745.80 × 604,503.60
  4. Step 4: Simplify right side
    632,497.20x = 573,520,251,584.88
  5. Step 5: Solve for x
    x = 573,520,251,584.88/632,497.20
  6. Step 6: Final answer
    x = 906,755.40

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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.