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Finding the Fourth Proportional to 479,454.71, 661,646.15 and 264,593.24

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Solution

The fourth proportional to 479,454.71, 661,646.15 and 264,593.24 is: 365,137.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,454.71 : 661,646.15 = 264,593.24 : x
  2. Step 2: Convert to fraction form
    479,454.71/661,646.15 = 264,593.24/x
  3. Step 3: Cross multiply
    479,454.71x = 661,646.15 × 264,593.24
  4. Step 4: Simplify right side
    479,454.71x = 175,067,093,930.83
  5. Step 5: Solve for x
    x = 175,067,093,930.83/479,454.71
  6. Step 6: Final answer
    x = 365,137.92

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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.