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Finding the Fourth Proportional to 474,591.88, 654,930.66 and 259,728.04

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Solution

The fourth proportional to 474,591.88, 654,930.66 and 259,728.04 is: 358,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,591.88 : 654,930.66 = 259,728.04 : x
  2. Step 2: Convert to fraction form
    474,591.88/654,930.66 = 259,728.04/x
  3. Step 3: Cross multiply
    474,591.88x = 654,930.66 × 259,728.04
  4. Step 4: Simplify right side
    474,591.88x = 170,103,856,657.71
  5. Step 5: Solve for x
    x = 170,103,856,657.71/474,591.88
  6. Step 6: Final answer
    x = 358,421.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.