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Finding the Fourth Proportional to 652,084.30, 978,126.45 and 202,833.55

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Solution

The fourth proportional to 652,084.30, 978,126.45 and 202,833.55 is: 304,250.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,084.30 : 978,126.45 = 202,833.55 : x
  2. Step 2: Convert to fraction form
    652,084.30/978,126.45 = 202,833.55/x
  3. Step 3: Cross multiply
    652,084.30x = 978,126.45 × 202,833.55
  4. Step 4: Simplify right side
    652,084.30x = 198,396,860,202.40
  5. Step 5: Solve for x
    x = 198,396,860,202.40/652,084.30
  6. Step 6: Final answer
    x = 304,250.33

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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.