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Finding the Fourth Proportional to 652,566.38, 978,736.70 and 172,801.08

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Solution

The fourth proportional to 652,566.38, 978,736.70 and 172,801.08 is: 259,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,566.38 : 978,736.70 = 172,801.08 : x
  2. Step 2: Convert to fraction form
    652,566.38/978,736.70 = 172,801.08/x
  3. Step 3: Cross multiply
    652,566.38x = 978,736.70 × 172,801.08
  4. Step 4: Simplify right side
    652,566.38x = 169,126,759,227.64
  5. Step 5: Solve for x
    x = 169,126,759,227.64/652,566.38
  6. Step 6: Final answer
    x = 259,171.73

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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.