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Finding the Fourth Proportional to 652,141.30, 978,211.95 and 178,825.90

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Solution

The fourth proportional to 652,141.30, 978,211.95 and 178,825.90 is: 268,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,141.30 : 978,211.95 = 178,825.90 : x
  2. Step 2: Convert to fraction form
    652,141.30/978,211.95 = 178,825.90/x
  3. Step 3: Cross multiply
    652,141.30x = 978,211.95 × 178,825.90
  4. Step 4: Simplify right side
    652,141.30x = 174,929,632,349.51
  5. Step 5: Solve for x
    x = 174,929,632,349.51/652,141.30
  6. Step 6: Final answer
    x = 268,238.85

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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.