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Finding the Fourth Proportional to 652,731.32, 978,875.18 and 226,167.60

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Solution

The fourth proportional to 652,731.32, 978,875.18 and 226,167.60 is: 339,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,731.32 : 978,875.18 = 226,167.60 : x
  2. Step 2: Convert to fraction form
    652,731.32/978,875.18 = 226,167.60/x
  3. Step 3: Cross multiply
    652,731.32x = 978,875.18 × 226,167.60
  4. Step 4: Simplify right side
    652,731.32x = 221,389,850,160.17
  5. Step 5: Solve for x
    x = 221,389,850,160.17/652,731.32
  6. Step 6: Final answer
    x = 339,174.55

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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.