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Finding the Fourth Proportional to 448,360.92, 672,559.20 and 178,540.20

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Solution

The fourth proportional to 448,360.92, 672,559.20 and 178,540.20 is: 267,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,360.92 : 672,559.20 = 178,540.20 : x
  2. Step 2: Convert to fraction form
    448,360.92/672,559.20 = 178,540.20/x
  3. Step 3: Cross multiply
    448,360.92x = 672,559.20 × 178,540.20
  4. Step 4: Simplify right side
    448,360.92x = 120,078,854,079.84
  5. Step 5: Solve for x
    x = 120,078,854,079.84/448,360.92
  6. Step 6: Final answer
    x = 267,817.40

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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.