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Finding the Fourth Proportional to 426,175.05, 588,109.91 and 235,174.62

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Solution

The fourth proportional to 426,175.05, 588,109.91 and 235,174.62 is: 324,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,175.05 : 588,109.91 = 235,174.62 : x
  2. Step 2: Convert to fraction form
    426,175.05/588,109.91 = 235,174.62/x
  3. Step 3: Cross multiply
    426,175.05x = 588,109.91 × 235,174.62
  4. Step 4: Simplify right side
    426,175.05x = 138,308,523,426.61
  5. Step 5: Solve for x
    x = 138,308,523,426.61/426,175.05
  6. Step 6: Final answer
    x = 324,534.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.