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Finding the Fourth Proportional to 607,591.13, 910,764.61 and 252,811.13

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Solution

The fourth proportional to 607,591.13, 910,764.61 and 252,811.13 is: 378,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,591.13 : 910,764.61 = 252,811.13 : x
  2. Step 2: Convert to fraction form
    607,591.13/910,764.61 = 252,811.13/x
  3. Step 3: Cross multiply
    607,591.13x = 910,764.61 × 252,811.13
  4. Step 4: Simplify right side
    607,591.13x = 230,251,425,032.26
  5. Step 5: Solve for x
    x = 230,251,425,032.26/607,591.13
  6. Step 6: Final answer
    x = 378,957.85

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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.