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Finding the Fourth Proportional to 604,894.50, 906,780.87 and 267,755.40

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Solution

The fourth proportional to 604,894.50, 906,780.87 and 267,755.40 is: 401,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,894.50 : 906,780.87 = 267,755.40 : x
  2. Step 2: Convert to fraction form
    604,894.50/906,780.87 = 267,755.40/x
  3. Step 3: Cross multiply
    604,894.50x = 906,780.87 × 267,755.40
  4. Step 4: Simplify right side
    604,894.50x = 242,795,474,559.20
  5. Step 5: Solve for x
    x = 242,795,474,559.20/604,894.50
  6. Step 6: Final answer
    x = 401,384.83

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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.