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Finding the Fourth Proportional to 381,162.56, 525,831.84 and 237,957.92

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Solution

The fourth proportional to 381,162.56, 525,831.84 and 237,957.92 is: 328,274.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,162.56 : 525,831.84 = 237,957.92 : x
  2. Step 2: Convert to fraction form
    381,162.56/525,831.84 = 237,957.92/x
  3. Step 3: Cross multiply
    381,162.56x = 525,831.84 × 237,957.92
  4. Step 4: Simplify right side
    381,162.56x = 125,125,850,916.17
  5. Step 5: Solve for x
    x = 125,125,850,916.17/381,162.56
  6. Step 6: Final answer
    x = 328,274.24

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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.