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Finding the Fourth Proportional to 994,134.96, 1,371,906 and 541,425.96

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Solution

The fourth proportional to 994,134.96, 1,371,906 and 541,425.96 is: 747,167.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,134.96 : 1,371,906 = 541,425.96 : x
  2. Step 2: Convert to fraction form
    994,134.96/1,371,906 = 541,425.96/x
  3. Step 3: Cross multiply
    994,134.96x = 1,371,906 × 541,425.96
  4. Step 4: Simplify right side
    994,134.96x = 742,785,523,079.76
  5. Step 5: Solve for x
    x = 742,785,523,079.76/994,134.96
  6. Step 6: Final answer
    x = 747,167.69

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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.