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Finding the Fourth Proportional to 604,819.80, 906,354.90 and 267,584.40

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Solution

The fourth proportional to 604,819.80, 906,354.90 and 267,584.40 is: 400,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,819.80 : 906,354.90 = 267,584.40 : x
  2. Step 2: Convert to fraction form
    604,819.80/906,354.90 = 267,584.40/x
  3. Step 3: Cross multiply
    604,819.80x = 906,354.90 × 267,584.40
  4. Step 4: Simplify right side
    604,819.80x = 242,526,432,103.56
  5. Step 5: Solve for x
    x = 242,526,432,103.56/604,819.80
  6. Step 6: Final answer
    x = 400,989.57

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1.5x scale

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.