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Finding the Fourth Proportional to 650,116.60, 975,174.90 and 531,921.40

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Solution

The fourth proportional to 650,116.60, 975,174.90 and 531,921.40 is: 797,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,116.60 : 975,174.90 = 531,921.40 : x
  2. Step 2: Convert to fraction form
    650,116.60/975,174.90 = 531,921.40/x
  3. Step 3: Cross multiply
    650,116.60x = 975,174.90 × 531,921.40
  4. Step 4: Simplify right side
    650,116.60x = 518,716,398,052.86
  5. Step 5: Solve for x
    x = 518,716,398,052.86/650,116.60
  6. Step 6: Final answer
    x = 797,882.10

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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.