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Finding the Fourth Proportional to 448,092.30, 672,138.45 and 132,552.30

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Solution

The fourth proportional to 448,092.30, 672,138.45 and 132,552.30 is: 198,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,092.30 : 672,138.45 = 132,552.30 : x
  2. Step 2: Convert to fraction form
    448,092.30/672,138.45 = 132,552.30/x
  3. Step 3: Cross multiply
    448,092.30x = 672,138.45 × 132,552.30
  4. Step 4: Simplify right side
    448,092.30x = 89,093,497,465.94
  5. Step 5: Solve for x
    x = 89,093,497,465.94/448,092.30
  6. Step 6: Final answer
    x = 198,828.45

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Similar ratio
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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.