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Finding the Fourth Proportional to 656,645.73, 906,184.97 and 370,165.83

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Solution

The fourth proportional to 656,645.73, 906,184.97 and 370,165.83 is: 510,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,645.73 : 906,184.97 = 370,165.83 : x
  2. Step 2: Convert to fraction form
    656,645.73/906,184.97 = 370,165.83/x
  3. Step 3: Cross multiply
    656,645.73x = 906,184.97 × 370,165.83
  4. Step 4: Simplify right side
    656,645.73x = 335,438,711,553.58
  5. Step 5: Solve for x
    x = 335,438,711,553.58/656,645.73
  6. Step 6: Final answer
    x = 510,836.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.