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Finding the Fourth Proportional to 474,976.96, 655,470.30 and 260,118.52

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Solution

The fourth proportional to 474,976.96, 655,470.30 and 260,118.52 is: 358,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,976.96 : 655,470.30 = 260,118.52 : x
  2. Step 2: Convert to fraction form
    474,976.96/655,470.30 = 260,118.52/x
  3. Step 3: Cross multiply
    474,976.96x = 655,470.30 × 260,118.52
  4. Step 4: Simplify right side
    474,976.96x = 170,499,964,339.96
  5. Step 5: Solve for x
    x = 170,499,964,339.96/474,976.96
  6. Step 6: Final answer
    x = 358,964.71

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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.