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Finding the Fourth Proportional to 749,761, 1,034,793.06 and 431,993.32

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Solution

The fourth proportional to 749,761, 1,034,793.06 and 431,993.32 is: 596,221.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,761 : 1,034,793.06 = 431,993.32 : x
  2. Step 2: Convert to fraction form
    749,761/1,034,793.06 = 431,993.32/x
  3. Step 3: Cross multiply
    749,761x = 1,034,793.06 × 431,993.32
  4. Step 4: Simplify right side
    749,761x = 447,023,689,502.36
  5. Step 5: Solve for x
    x = 447,023,689,502.36/749,761
  6. Step 6: Final answer
    x = 596,221.58

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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.