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Finding the Fourth Proportional to 479,569.32, 661,793.13 and 264,704.76

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Solution

The fourth proportional to 479,569.32, 661,793.13 and 264,704.76 is: 365,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,569.32 : 661,793.13 = 264,704.76 : x
  2. Step 2: Convert to fraction form
    479,569.32/661,793.13 = 264,704.76/x
  3. Step 3: Cross multiply
    479,569.32x = 661,793.13 × 264,704.76
  4. Step 4: Simplify right side
    479,569.32x = 175,179,791,646.30
  5. Step 5: Solve for x
    x = 175,179,791,646.30/479,569.32
  6. Step 6: Final answer
    x = 365,285.65

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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.