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Finding the Fourth Proportional to 493,979.60, 681,692.54 and 267,625.10

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Solution

The fourth proportional to 493,979.60, 681,692.54 and 267,625.10 is: 369,323.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,979.60 : 681,692.54 = 267,625.10 : x
  2. Step 2: Convert to fraction form
    493,979.60/681,692.54 = 267,625.10/x
  3. Step 3: Cross multiply
    493,979.60x = 681,692.54 × 267,625.10
  4. Step 4: Simplify right side
    493,979.60x = 182,438,034,186.75
  5. Step 5: Solve for x
    x = 182,438,034,186.75/493,979.60
  6. Step 6: Final answer
    x = 369,323.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.