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Finding the Fourth Proportional to 363,081.80, 544,233.90 and 163,368.20

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Solution

The fourth proportional to 363,081.80, 544,233.90 and 163,368.20 is: 244,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,081.80 : 544,233.90 = 163,368.20 : x
  2. Step 2: Convert to fraction form
    363,081.80/544,233.90 = 163,368.20/x
  3. Step 3: Cross multiply
    363,081.80x = 544,233.90 × 163,368.20
  4. Step 4: Simplify right side
    363,081.80x = 88,910,512,621.98
  5. Step 5: Solve for x
    x = 88,910,512,621.98/363,081.80
  6. Step 6: Final answer
    x = 244,877.36

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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.