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Finding the Fourth Proportional to 372,406.52, 558,697.26 and 123,088.52

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Solution

The fourth proportional to 372,406.52, 558,697.26 and 123,088.52 is: 184,661.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,406.52 : 558,697.26 = 123,088.52 : x
  2. Step 2: Convert to fraction form
    372,406.52/558,697.26 = 123,088.52/x
  3. Step 3: Cross multiply
    372,406.52x = 558,697.26 × 123,088.52
  4. Step 4: Simplify right side
    372,406.52x = 68,769,218,861.46
  5. Step 5: Solve for x
    x = 68,769,218,861.46/372,406.52
  6. Step 6: Final answer
    x = 184,661.69

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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.