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Finding the Fourth Proportional to 448,561.80, 672,972.30 and 133,026.30

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Solution

The fourth proportional to 448,561.80, 672,972.30 and 133,026.30 is: 199,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,561.80 : 672,972.30 = 133,026.30 : x
  2. Step 2: Convert to fraction form
    448,561.80/672,972.30 = 133,026.30/x
  3. Step 3: Cross multiply
    448,561.80x = 672,972.30 × 133,026.30
  4. Step 4: Simplify right side
    448,561.80x = 89,523,015,071.49
  5. Step 5: Solve for x
    x = 89,523,015,071.49/448,561.80
  6. Step 6: Final answer
    x = 199,577.88

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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.