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Finding the Fourth Proportional to 263,577.64, 394,775.86 and 158,178.84

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Solution

The fourth proportional to 263,577.64, 394,775.86 and 158,178.84 is: 236,913.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,577.64 : 394,775.86 = 158,178.84 : x
  2. Step 2: Convert to fraction form
    263,577.64/394,775.86 = 158,178.84/x
  3. Step 3: Cross multiply
    263,577.64x = 394,775.86 × 158,178.84
  4. Step 4: Simplify right side
    263,577.64x = 62,445,187,594.80
  5. Step 5: Solve for x
    x = 62,445,187,594.80/263,577.64
  6. Step 6: Final answer
    x = 236,913.83

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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.