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Finding the Fourth Proportional to 417,767.46, 576,357.62 and 236,437.82

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Solution

The fourth proportional to 417,767.46, 576,357.62 and 236,437.82 is: 326,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,767.46 : 576,357.62 = 236,437.82 : x
  2. Step 2: Convert to fraction form
    417,767.46/576,357.62 = 236,437.82/x
  3. Step 3: Cross multiply
    417,767.46x = 576,357.62 × 236,437.82
  4. Step 4: Simplify right side
    417,767.46x = 136,272,735,149.21
  5. Step 5: Solve for x
    x = 136,272,735,149.21/417,767.46
  6. Step 6: Final answer
    x = 326,192.79

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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.