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Finding the Fourth Proportional to 604,675.80, 906,138.90 and 267,440.40

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Solution

The fourth proportional to 604,675.80, 906,138.90 and 267,440.40 is: 400,773.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,675.80 : 906,138.90 = 267,440.40 : x
  2. Step 2: Convert to fraction form
    604,675.80/906,138.90 = 267,440.40/x
  3. Step 3: Cross multiply
    604,675.80x = 906,138.90 × 267,440.40
  4. Step 4: Simplify right side
    604,675.80x = 242,338,149,871.56
  5. Step 5: Solve for x
    x = 242,338,149,871.56/604,675.80
  6. Step 6: Final answer
    x = 400,773.69

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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.