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Finding the Fourth Proportional to 372,573.65, 558,420.44 and 159,279.18

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Solution

The fourth proportional to 372,573.65, 558,420.44 and 159,279.18 is: 238,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,573.65 : 558,420.44 = 159,279.18 : x
  2. Step 2: Convert to fraction form
    372,573.65/558,420.44 = 159,279.18/x
  3. Step 3: Cross multiply
    372,573.65x = 558,420.44 × 159,279.18
  4. Step 4: Simplify right side
    372,573.65x = 88,944,748,982.04
  5. Step 5: Solve for x
    x = 88,944,748,982.04/372,573.65
  6. Step 6: Final answer
    x = 238,730.65

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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.