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Finding the Fourth Proportional to 263,378.73, 363,464.84 and 154,548.15

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Solution

The fourth proportional to 263,378.73, 363,464.84 and 154,548.15 is: 213,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,378.73 : 363,464.84 = 154,548.15 : x
  2. Step 2: Convert to fraction form
    263,378.73/363,464.84 = 154,548.15/x
  3. Step 3: Cross multiply
    263,378.73x = 363,464.84 × 154,548.15
  4. Step 4: Simplify right side
    263,378.73x = 56,172,818,612.05
  5. Step 5: Solve for x
    x = 56,172,818,612.05/263,378.73
  6. Step 6: Final answer
    x = 213,277.73

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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.