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Finding the Fourth Proportional to 484,332.42, 726,491.33 and 217,904.79

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Solution

The fourth proportional to 484,332.42, 726,491.33 and 217,904.79 is: 326,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,332.42 : 726,491.33 = 217,904.79 : x
  2. Step 2: Convert to fraction form
    484,332.42/726,491.33 = 217,904.79/x
  3. Step 3: Cross multiply
    484,332.42x = 726,491.33 × 217,904.79
  4. Step 4: Simplify right side
    484,332.42x = 158,305,939,610.95
  5. Step 5: Solve for x
    x = 158,305,939,610.95/484,332.42
  6. Step 6: Final answer
    x = 326,853.90

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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.