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Finding the Fourth Proportional to 392,761.16, 588,324.34 and 249,898.76

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Solution

The fourth proportional to 392,761.16, 588,324.34 and 249,898.76 is: 374,328.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,761.16 : 588,324.34 = 249,898.76 : x
  2. Step 2: Convert to fraction form
    392,761.16/588,324.34 = 249,898.76/x
  3. Step 3: Cross multiply
    392,761.16x = 588,324.34 × 249,898.76
  4. Step 4: Simplify right side
    392,761.16x = 147,021,520,112.00
  5. Step 5: Solve for x
    x = 147,021,520,112.00/392,761.16
  6. Step 6: Final answer
    x = 374,328.06

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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.