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Finding the Fourth Proportional to 372,878.32, 559,101.48 and 254,692.48

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Solution

The fourth proportional to 372,878.32, 559,101.48 and 254,692.48 is: 381,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,878.32 : 559,101.48 = 254,692.48 : x
  2. Step 2: Convert to fraction form
    372,878.32/559,101.48 = 254,692.48/x
  3. Step 3: Cross multiply
    372,878.32x = 559,101.48 × 254,692.48
  4. Step 4: Simplify right side
    372,878.32x = 142,398,942,512.87
  5. Step 5: Solve for x
    x = 142,398,942,512.87/372,878.32
  6. Step 6: Final answer
    x = 381,891.18

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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.