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Finding the Fourth Proportional to 424,150.70, 585,342.20 and 249,689.41

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Solution

The fourth proportional to 424,150.70, 585,342.20 and 249,689.41 is: 344,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,150.70 : 585,342.20 = 249,689.41 : x
  2. Step 2: Convert to fraction form
    424,150.70/585,342.20 = 249,689.41/x
  3. Step 3: Cross multiply
    424,150.70x = 585,342.20 × 249,689.41
  4. Step 4: Simplify right side
    424,150.70x = 146,153,747,726.97
  5. Step 5: Solve for x
    x = 146,153,747,726.97/424,150.70
  6. Step 6: Final answer
    x = 344,579.77

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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.