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Finding the Fourth Proportional to 448,650.30, 672,744.60 and 133,066.20

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Solution

The fourth proportional to 448,650.30, 672,744.60 and 133,066.20 is: 199,530.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,650.30 : 672,744.60 = 133,066.20 : x
  2. Step 2: Convert to fraction form
    448,650.30/672,744.60 = 133,066.20/x
  3. Step 3: Cross multiply
    448,650.30x = 672,744.60 × 133,066.20
  4. Step 4: Simplify right side
    448,650.30x = 89,519,567,492.52
  5. Step 5: Solve for x
    x = 89,519,567,492.52/448,650.30
  6. Step 6: Final answer
    x = 199,530.83

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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.