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Finding the Fourth Proportional to 664,276.40, 996,414.60 and 460,557.35

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Solution

The fourth proportional to 664,276.40, 996,414.60 and 460,557.35 is: 690,836.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,276.40 : 996,414.60 = 460,557.35 : x
  2. Step 2: Convert to fraction form
    664,276.40/996,414.60 = 460,557.35/x
  3. Step 3: Cross multiply
    664,276.40x = 996,414.60 × 460,557.35
  4. Step 4: Simplify right side
    664,276.40x = 458,906,067,677.31
  5. Step 5: Solve for x
    x = 458,906,067,677.31/664,276.40
  6. Step 6: Final answer
    x = 690,836.03

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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.