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Finding the Fourth Proportional to 604,891.46, 906,727.26 and 380,412.30

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Solution

The fourth proportional to 604,891.46, 906,727.26 and 380,412.30 is: 570,234.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,891.46 : 906,727.26 = 380,412.30 : x
  2. Step 2: Convert to fraction form
    604,891.46/906,727.26 = 380,412.30/x
  3. Step 3: Cross multiply
    604,891.46x = 906,727.26 × 380,412.30
  4. Step 4: Simplify right side
    604,891.46x = 344,930,202,449.30
  5. Step 5: Solve for x
    x = 344,930,202,449.30/604,891.46
  6. Step 6: Final answer
    x = 570,234.87

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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.