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Finding the Fourth Proportional to 274,793.58, 412,187.13 and 154,859.58

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Solution

The fourth proportional to 274,793.58, 412,187.13 and 154,859.58 is: 232,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,793.58 : 412,187.13 = 154,859.58 : x
  2. Step 2: Convert to fraction form
    274,793.58/412,187.13 = 154,859.58/x
  3. Step 3: Cross multiply
    274,793.58x = 412,187.13 × 154,859.58
  4. Step 4: Simplify right side
    274,793.58x = 63,831,125,833.21
  5. Step 5: Solve for x
    x = 63,831,125,833.21/274,793.58
  6. Step 6: Final answer
    x = 232,287.54

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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.