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Finding the Fourth Proportional to 375,124.71, 517,672.11 and 205,358.83

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Solution

The fourth proportional to 375,124.71, 517,672.11 and 205,358.83 is: 283,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,124.71 : 517,672.11 = 205,358.83 : x
  2. Step 2: Convert to fraction form
    375,124.71/517,672.11 = 205,358.83/x
  3. Step 3: Cross multiply
    375,124.71x = 517,672.11 × 205,358.83
  4. Step 4: Simplify right side
    375,124.71x = 106,308,538,833.23
  5. Step 5: Solve for x
    x = 106,308,538,833.23/375,124.71
  6. Step 6: Final answer
    x = 283,395.19

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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.