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Finding the Fourth Proportional to 511,524.54, 767,399.20 and 156,565.94

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Solution

The fourth proportional to 511,524.54, 767,399.20 and 156,565.94 is: 234,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,524.54 : 767,399.20 = 156,565.94 : x
  2. Step 2: Convert to fraction form
    511,524.54/767,399.20 = 156,565.94/x
  3. Step 3: Cross multiply
    511,524.54x = 767,399.20 × 156,565.94
  4. Step 4: Simplify right side
    511,524.54x = 120,148,572,874.84
  5. Step 5: Solve for x
    x = 120,148,572,874.84/511,524.54
  6. Step 6: Final answer
    x = 234,883.30

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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.