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Finding the Fourth Proportional to 372,428.35, 558,647.73 and 106,188.97

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Solution

The fourth proportional to 372,428.35, 558,647.73 and 106,188.97 is: 159,284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,428.35 : 558,647.73 = 106,188.97 : x
  2. Step 2: Convert to fraction form
    372,428.35/558,647.73 = 106,188.97/x
  3. Step 3: Cross multiply
    372,428.35x = 558,647.73 × 106,188.97
  4. Step 4: Simplify right side
    372,428.35x = 59,322,227,041.54
  5. Step 5: Solve for x
    x = 59,322,227,041.54/372,428.35
  6. Step 6: Final answer
    x = 159,284.94

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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.