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Finding the Fourth Proportional to 372,456.66, 558,682.06 and 246,659.88

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Solution

The fourth proportional to 372,456.66, 558,682.06 and 246,659.88 is: 369,987.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,456.66 : 558,682.06 = 246,659.88 : x
  2. Step 2: Convert to fraction form
    372,456.66/558,682.06 = 246,659.88/x
  3. Step 3: Cross multiply
    372,456.66x = 558,682.06 × 246,659.88
  4. Step 4: Simplify right side
    372,456.66x = 137,804,451,818.65
  5. Step 5: Solve for x
    x = 137,804,451,818.65/372,456.66
  6. Step 6: Final answer
    x = 369,987.89

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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.