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Finding the Fourth Proportional to 372,378.80, 558,501.08 and 159,266.60

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Solution

The fourth proportional to 372,378.80, 558,501.08 and 159,266.60 is: 238,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,378.80 : 558,501.08 = 159,266.60 : x
  2. Step 2: Convert to fraction form
    372,378.80/558,501.08 = 159,266.60/x
  3. Step 3: Cross multiply
    372,378.80x = 558,501.08 × 159,266.60
  4. Step 4: Simplify right side
    372,378.80x = 88,950,568,107.93
  5. Step 5: Solve for x
    x = 88,950,568,107.93/372,378.80
  6. Step 6: Final answer
    x = 238,871.19

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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.