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Finding the Fourth Proportional to 652,517.70, 978,776.55 and 226,052.70

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Solution

The fourth proportional to 652,517.70, 978,776.55 and 226,052.70 is: 339,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,517.70 : 978,776.55 = 226,052.70 : x
  2. Step 2: Convert to fraction form
    652,517.70/978,776.55 = 226,052.70/x
  3. Step 3: Cross multiply
    652,517.70x = 978,776.55 × 226,052.70
  4. Step 4: Simplify right side
    652,517.70x = 221,255,081,824.19
  5. Step 5: Solve for x
    x = 221,255,081,824.19/652,517.70
  6. Step 6: Final answer
    x = 339,079.05

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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.