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Finding the Fourth Proportional to 372,474.50, 558,799.32 and 123,156.50

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Solution

The fourth proportional to 372,474.50, 558,799.32 and 123,156.50 is: 184,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,474.50 : 558,799.32 = 123,156.50 : x
  2. Step 2: Convert to fraction form
    372,474.50/558,799.32 = 123,156.50/x
  3. Step 3: Cross multiply
    372,474.50x = 558,799.32 × 123,156.50
  4. Step 4: Simplify right side
    372,474.50x = 68,819,768,453.58
  5. Step 5: Solve for x
    x = 68,819,768,453.58/372,474.50
  6. Step 6: Final answer
    x = 184,763.70

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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.