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Finding the Fourth Proportional to 372,405.52, 558,695.76 and 123,087.52

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Solution

The fourth proportional to 372,405.52, 558,695.76 and 123,087.52 is: 184,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,405.52 : 558,695.76 = 123,087.52 : x
  2. Step 2: Convert to fraction form
    372,405.52/558,695.76 = 123,087.52/x
  3. Step 3: Cross multiply
    372,405.52x = 558,695.76 × 123,087.52
  4. Step 4: Simplify right side
    372,405.52x = 68,768,475,532.92
  5. Step 5: Solve for x
    x = 68,768,475,532.92/372,405.52
  6. Step 6: Final answer
    x = 184,660.19

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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.