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Finding the Fourth Proportional to 474,707.71, 655,096.85 and 259,849

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Solution

The fourth proportional to 474,707.71, 655,096.85 and 259,849 is: 358,591.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,707.71 : 655,096.85 = 259,849 : x
  2. Step 2: Convert to fraction form
    474,707.71/655,096.85 = 259,849/x
  3. Step 3: Cross multiply
    474,707.71x = 655,096.85 × 259,849
  4. Step 4: Simplify right side
    474,707.71x = 170,226,261,375.65
  5. Step 5: Solve for x
    x = 170,226,261,375.65/474,707.71
  6. Step 6: Final answer
    x = 358,591.74

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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.