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Finding the Fourth Proportional to 342,998.44, 514,673.10 and 163,286.92

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Solution

The fourth proportional to 342,998.44, 514,673.10 and 163,286.92 is: 245,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,998.44 : 514,673.10 = 163,286.92 : x
  2. Step 2: Convert to fraction form
    342,998.44/514,673.10 = 163,286.92/x
  3. Step 3: Cross multiply
    342,998.44x = 514,673.10 × 163,286.92
  4. Step 4: Simplify right side
    342,998.44x = 84,039,385,305.85
  5. Step 5: Solve for x
    x = 84,039,385,305.85/342,998.44
  6. Step 6: Final answer
    x = 245,013.90

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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.