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Finding the Fourth Proportional to 474,976.71, 655,469.96 and 260,118.27

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Solution

The fourth proportional to 474,976.71, 655,469.96 and 260,118.27 is: 358,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,976.71 : 655,469.96 = 260,118.27 : x
  2. Step 2: Convert to fraction form
    474,976.71/655,469.96 = 260,118.27/x
  3. Step 3: Cross multiply
    474,976.71x = 655,469.96 × 260,118.27
  4. Step 4: Simplify right side
    474,976.71x = 170,499,710,731.58
  5. Step 5: Solve for x
    x = 170,499,710,731.58/474,976.71
  6. Step 6: Final answer
    x = 358,964.36

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1.5x scale

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.