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Finding the Fourth Proportional to 484,609.41, 726,963.82 and 185,341.70

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Solution

The fourth proportional to 484,609.41, 726,963.82 and 185,341.70 is: 278,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,609.41 : 726,963.82 = 185,341.70 : x
  2. Step 2: Convert to fraction form
    484,609.41/726,963.82 = 185,341.70/x
  3. Step 3: Cross multiply
    484,609.41x = 726,963.82 × 185,341.70
  4. Step 4: Simplify right side
    484,609.41x = 134,736,711,591.35
  5. Step 5: Solve for x
    x = 134,736,711,591.35/484,609.41
  6. Step 6: Final answer
    x = 278,031.56

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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.