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Finding the Fourth Proportional to 474,440.92, 654,744.80 and 259,581

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Solution

The fourth proportional to 474,440.92, 654,744.80 and 259,581 is: 358,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,440.92 : 654,744.80 = 259,581 : x
  2. Step 2: Convert to fraction form
    474,440.92/654,744.80 = 259,581/x
  3. Step 3: Cross multiply
    474,440.92x = 654,744.80 × 259,581
  4. Step 4: Simplify right side
    474,440.92x = 169,959,309,928.80
  5. Step 5: Solve for x
    x = 169,959,309,928.80/474,440.92
  6. Step 6: Final answer
    x = 358,230.71

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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.