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Finding the Fourth Proportional to 564,279.20, 845,727.60 and 248,400.80

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Solution

The fourth proportional to 564,279.20, 845,727.60 and 248,400.80 is: 372,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,279.20 : 845,727.60 = 248,400.80 : x
  2. Step 2: Convert to fraction form
    564,279.20/845,727.60 = 248,400.80/x
  3. Step 3: Cross multiply
    564,279.20x = 845,727.60 × 248,400.80
  4. Step 4: Simplify right side
    564,279.20x = 210,079,412,422.08
  5. Step 5: Solve for x
    x = 210,079,412,422.08/564,279.20
  6. Step 6: Final answer
    x = 372,296.93

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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.