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Finding the Fourth Proportional to 484,854.88, 727,359.28 and 147,818.32

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Solution

The fourth proportional to 484,854.88, 727,359.28 and 147,818.32 is: 221,750.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,854.88 : 727,359.28 = 147,818.32 : x
  2. Step 2: Convert to fraction form
    484,854.88/727,359.28 = 147,818.32/x
  3. Step 3: Cross multiply
    484,854.88x = 727,359.28 × 147,818.32
  4. Step 4: Simplify right side
    484,854.88x = 107,517,026,806.01
  5. Step 5: Solve for x
    x = 107,517,026,806.01/484,854.88
  6. Step 6: Final answer
    x = 221,750.94

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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.