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Finding the Fourth Proportional to 604,816.80, 906,350.40 and 267,581.40

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Solution

The fourth proportional to 604,816.80, 906,350.40 and 267,581.40 is: 400,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,816.80 : 906,350.40 = 267,581.40 : x
  2. Step 2: Convert to fraction form
    604,816.80/906,350.40 = 267,581.40/x
  3. Step 3: Cross multiply
    604,816.80x = 906,350.40 × 267,581.40
  4. Step 4: Simplify right side
    604,816.80x = 242,522,508,922.56
  5. Step 5: Solve for x
    x = 242,522,508,922.56/604,816.80
  6. Step 6: Final answer
    x = 400,985.07

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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.