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Finding the Fourth Proportional to 354,632.28, 532,104.38 and 186,113

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Solution

The fourth proportional to 354,632.28, 532,104.38 and 186,113 is: 279,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,632.28 : 532,104.38 = 186,113 : x
  2. Step 2: Convert to fraction form
    354,632.28/532,104.38 = 186,113/x
  3. Step 3: Cross multiply
    354,632.28x = 532,104.38 × 186,113
  4. Step 4: Simplify right side
    354,632.28x = 99,031,542,474.94
  5. Step 5: Solve for x
    x = 99,031,542,474.94/354,632.28
  6. Step 6: Final answer
    x = 279,251.35

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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.