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Finding the Fourth Proportional to 372,559.68, 558,865.44 and 123,416.64

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Solution

The fourth proportional to 372,559.68, 558,865.44 and 123,416.64 is: 185,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,559.68 : 558,865.44 = 123,416.64 : x
  2. Step 2: Convert to fraction form
    372,559.68/558,865.44 = 123,416.64/x
  3. Step 3: Cross multiply
    372,559.68x = 558,865.44 × 123,416.64
  4. Step 4: Simplify right side
    372,559.68x = 68,973,294,816.92
  5. Step 5: Solve for x
    x = 68,973,294,816.92/372,559.68
  6. Step 6: Final answer
    x = 185,133.55

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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.