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Finding the Fourth Proportional to 394,785.80, 592,005.90 and 158,049.80

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Solution

The fourth proportional to 394,785.80, 592,005.90 and 158,049.80 is: 237,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,785.80 : 592,005.90 = 158,049.80 : x
  2. Step 2: Convert to fraction form
    394,785.80/592,005.90 = 158,049.80/x
  3. Step 3: Cross multiply
    394,785.80x = 592,005.90 × 158,049.80
  4. Step 4: Simplify right side
    394,785.80x = 93,566,414,093.82
  5. Step 5: Solve for x
    x = 93,566,414,093.82/394,785.80
  6. Step 6: Final answer
    x = 237,005.52

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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.