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Finding the Fourth Proportional to 448,910.08, 672,723.52 and 329,645.76

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Solution

The fourth proportional to 448,910.08, 672,723.52 and 329,645.76 is: 493,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,910.08 : 672,723.52 = 329,645.76 : x
  2. Step 2: Convert to fraction form
    448,910.08/672,723.52 = 329,645.76/x
  3. Step 3: Cross multiply
    448,910.08x = 672,723.52 × 329,645.76
  4. Step 4: Simplify right side
    448,910.08x = 221,760,456,020.28
  5. Step 5: Solve for x
    x = 221,760,456,020.28/448,910.08
  6. Step 6: Final answer
    x = 493,997.50

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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.