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Finding the Fourth Proportional to 604,115.56, 906,180.78 and 262,479.88

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Solution

The fourth proportional to 604,115.56, 906,180.78 and 262,479.88 is: 393,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,115.56 : 906,180.78 = 262,479.88 : x
  2. Step 2: Convert to fraction form
    604,115.56/906,180.78 = 262,479.88/x
  3. Step 3: Cross multiply
    604,115.56x = 906,180.78 × 262,479.88
  4. Step 4: Simplify right side
    604,115.56x = 237,854,222,392.71
  5. Step 5: Solve for x
    x = 237,854,222,392.71/604,115.56
  6. Step 6: Final answer
    x = 393,723.05

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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.