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Finding the Fourth Proportional to 657,650.60, 986,475.90 and 584,167.40

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Solution

The fourth proportional to 657,650.60, 986,475.90 and 584,167.40 is: 876,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,650.60 : 986,475.90 = 584,167.40 : x
  2. Step 2: Convert to fraction form
    657,650.60/986,475.90 = 584,167.40/x
  3. Step 3: Cross multiply
    657,650.60x = 986,475.90 × 584,167.40
  4. Step 4: Simplify right side
    657,650.60x = 576,267,061,665.66
  5. Step 5: Solve for x
    x = 576,267,061,665.66/657,650.60
  6. Step 6: Final answer
    x = 876,251.10

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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.