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Finding the Fourth Proportional to 484,524.82, 726,731.86 and 129,566.50

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Solution

The fourth proportional to 484,524.82, 726,731.86 and 129,566.50 is: 194,334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,524.82 : 726,731.86 = 129,566.50 : x
  2. Step 2: Convert to fraction form
    484,524.82/726,731.86 = 129,566.50/x
  3. Step 3: Cross multiply
    484,524.82x = 726,731.86 × 129,566.50
  4. Step 4: Simplify right side
    484,524.82x = 94,160,103,538.69
  5. Step 5: Solve for x
    x = 94,160,103,538.69/484,524.82
  6. Step 6: Final answer
    x = 194,334.94

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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.