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Finding the Fourth Proportional to 632,593.80, 948,890.70 and 605,291.40

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Solution

The fourth proportional to 632,593.80, 948,890.70 and 605,291.40 is: 907,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,593.80 : 948,890.70 = 605,291.40 : x
  2. Step 2: Convert to fraction form
    632,593.80/948,890.70 = 605,291.40/x
  3. Step 3: Cross multiply
    632,593.80x = 948,890.70 × 605,291.40
  4. Step 4: Simplify right side
    632,593.80x = 574,355,380,249.98
  5. Step 5: Solve for x
    x = 574,355,380,249.98/632,593.80
  6. Step 6: Final answer
    x = 907,937.10

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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.