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Finding the Fourth Proportional to 263,543.67, 363,542.72 and 156,008.91

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Solution

The fourth proportional to 263,543.67, 363,542.72 and 156,008.91 is: 215,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,543.67 : 363,542.72 = 156,008.91 : x
  2. Step 2: Convert to fraction form
    263,543.67/363,542.72 = 156,008.91/x
  3. Step 3: Cross multiply
    263,543.67x = 363,542.72 × 156,008.91
  4. Step 4: Simplify right side
    263,543.67x = 56,715,902,705.59
  5. Step 5: Solve for x
    x = 56,715,902,705.59/263,543.67
  6. Step 6: Final answer
    x = 215,204.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.