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Finding the Fourth Proportional to 652,516.56, 978,612.84 and 179,178.48

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Solution

The fourth proportional to 652,516.56, 978,612.84 and 179,178.48 is: 268,723.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,516.56 : 978,612.84 = 179,178.48 : x
  2. Step 2: Convert to fraction form
    652,516.56/978,612.84 = 179,178.48/x
  3. Step 3: Cross multiply
    652,516.56x = 978,612.84 × 179,178.48
  4. Step 4: Simplify right side
    652,516.56x = 175,346,361,179.68
  5. Step 5: Solve for x
    x = 175,346,361,179.68/652,516.56
  6. Step 6: Final answer
    x = 268,723.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.