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Finding the Fourth Proportional to 749,793.11, 1,034,380.73 and 477,713.30

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Solution

The fourth proportional to 749,793.11, 1,034,380.73 and 477,713.30 is: 659,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,793.11 : 1,034,380.73 = 477,713.30 : x
  2. Step 2: Convert to fraction form
    749,793.11/1,034,380.73 = 477,713.30/x
  3. Step 3: Cross multiply
    749,793.11x = 1,034,380.73 × 477,713.30
  4. Step 4: Simplify right side
    749,793.11x = 494,137,428,007.09
  5. Step 5: Solve for x
    x = 494,137,428,007.09/749,793.11
  6. Step 6: Final answer
    x = 659,031.70

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Double scale
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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.