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Finding the Fourth Proportional to 632,603.80, 948,905.70 and 605,301.40

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Solution

The fourth proportional to 632,603.80, 948,905.70 and 605,301.40 is: 907,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,603.80 : 948,905.70 = 605,301.40 : x
  2. Step 2: Convert to fraction form
    632,603.80/948,905.70 = 605,301.40/x
  3. Step 3: Cross multiply
    632,603.80x = 948,905.70 × 605,301.40
  4. Step 4: Simplify right side
    632,603.80x = 574,373,948,677.98
  5. Step 5: Solve for x
    x = 574,373,948,677.98/632,603.80
  6. Step 6: Final answer
    x = 907,952.10

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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.