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Finding the Fourth Proportional to 495,189.86, 743,060.78 and 267,480.89

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Solution

The fourth proportional to 495,189.86, 743,060.78 and 267,480.89 is: 401,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,189.86 : 743,060.78 = 267,480.89 : x
  2. Step 2: Convert to fraction form
    495,189.86/743,060.78 = 267,480.89/x
  3. Step 3: Cross multiply
    495,189.86x = 743,060.78 × 267,480.89
  4. Step 4: Simplify right side
    495,189.86x = 198,754,558,758.49
  5. Step 5: Solve for x
    x = 198,754,558,758.49/495,189.86
  6. Step 6: Final answer
    x = 401,370.41

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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.