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Finding the Fourth Proportional to 555,039.71, 832,891.71 and 239,496.61

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Solution

The fourth proportional to 555,039.71, 832,891.71 and 239,496.61 is: 359,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,039.71 : 832,891.71 = 239,496.61 : x
  2. Step 2: Convert to fraction form
    555,039.71/832,891.71 = 239,496.61/x
  3. Step 3: Cross multiply
    555,039.71x = 832,891.71 × 239,496.61
  4. Step 4: Simplify right side
    555,039.71x = 199,474,743,710.66
  5. Step 5: Solve for x
    x = 199,474,743,710.66/555,039.71
  6. Step 6: Final answer
    x = 359,388.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.