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Finding the Fourth Proportional to 425,992.23, 587,871.27 and 235,005.57

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Solution

The fourth proportional to 425,992.23, 587,871.27 and 235,005.57 is: 324,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,992.23 : 587,871.27 = 235,005.57 : x
  2. Step 2: Convert to fraction form
    425,992.23/587,871.27 = 235,005.57/x
  3. Step 3: Cross multiply
    425,992.23x = 587,871.27 × 235,005.57
  4. Step 4: Simplify right side
    425,992.23x = 138,153,022,892.97
  5. Step 5: Solve for x
    x = 138,153,022,892.97/425,992.23
  6. Step 6: Final answer
    x = 324,308.79

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1.5x scale

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.