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Finding the Fourth Proportional to 372,580.77, 558,431.10 and 159,286.32

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Solution

The fourth proportional to 372,580.77, 558,431.10 and 159,286.32 is: 238,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,580.77 : 558,431.10 = 159,286.32 : x
  2. Step 2: Convert to fraction form
    372,580.77/558,431.10 = 159,286.32/x
  3. Step 3: Cross multiply
    372,580.77x = 558,431.10 × 159,286.32
  4. Step 4: Simplify right side
    372,580.77x = 88,950,434,892.55
  5. Step 5: Solve for x
    x = 88,950,434,892.55/372,580.77
  6. Step 6: Final answer
    x = 238,741.35

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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.