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Finding the Fourth Proportional to 564,393.88, 845,923.38 and 248,189.32

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Solution

The fourth proportional to 564,393.88, 845,923.38 and 248,189.32 is: 371,990.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,393.88 : 845,923.38 = 248,189.32 : x
  2. Step 2: Convert to fraction form
    564,393.88/845,923.38 = 248,189.32/x
  3. Step 3: Cross multiply
    564,393.88x = 845,923.38 × 248,189.32
  4. Step 4: Simplify right side
    564,393.88x = 209,949,148,454.30
  5. Step 5: Solve for x
    x = 209,949,148,454.30/564,393.88
  6. Step 6: Final answer
    x = 371,990.48

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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.