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Finding the Fourth Proportional to 541,073.22, 811,609.08 and 217,007.52

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Solution

The fourth proportional to 541,073.22, 811,609.08 and 217,007.52 is: 325,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,073.22 : 811,609.08 = 217,007.52 : x
  2. Step 2: Convert to fraction form
    541,073.22/811,609.08 = 217,007.52/x
  3. Step 3: Cross multiply
    541,073.22x = 811,609.08 × 217,007.52
  4. Step 4: Simplify right side
    541,073.22x = 176,125,273,660.28
  5. Step 5: Solve for x
    x = 176,125,273,660.28/541,073.22
  6. Step 6: Final answer
    x = 325,510.98

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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.