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Finding the Fourth Proportional to 465,963.19, 698,862.75 and 124,410.85

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Solution

The fourth proportional to 465,963.19, 698,862.75 and 124,410.85 is: 186,594.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,963.19 : 698,862.75 = 124,410.85 : x
  2. Step 2: Convert to fraction form
    465,963.19/698,862.75 = 124,410.85/x
  3. Step 3: Cross multiply
    465,963.19x = 698,862.75 × 124,410.85
  4. Step 4: Simplify right side
    465,963.19x = 86,946,108,760.84
  5. Step 5: Solve for x
    x = 86,946,108,760.84/465,963.19
  6. Step 6: Final answer
    x = 186,594.37

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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.