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Finding the Fourth Proportional to 448,456.60, 672,350.10 and 270,926.20

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Solution

The fourth proportional to 448,456.60, 672,350.10 and 270,926.20 is: 406,187.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,456.60 : 672,350.10 = 270,926.20 : x
  2. Step 2: Convert to fraction form
    448,456.60/672,350.10 = 270,926.20/x
  3. Step 3: Cross multiply
    448,456.60x = 672,350.10 × 270,926.20
  4. Step 4: Simplify right side
    448,456.60x = 182,157,257,662.62
  5. Step 5: Solve for x
    x = 182,157,257,662.62/448,456.60
  6. Step 6: Final answer
    x = 406,187.04

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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.