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Finding the Fourth Proportional to 312,016.38, 467,600.46 and 131,952.12

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Solution

The fourth proportional to 312,016.38, 467,600.46 and 131,952.12 is: 197,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,016.38 : 467,600.46 = 131,952.12 : x
  2. Step 2: Convert to fraction form
    312,016.38/467,600.46 = 131,952.12/x
  3. Step 3: Cross multiply
    312,016.38x = 467,600.46 × 131,952.12
  4. Step 4: Simplify right side
    312,016.38x = 61,700,872,009.98
  5. Step 5: Solve for x
    x = 61,700,872,009.98/312,016.38
  6. Step 6: Final answer
    x = 197,748.82

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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.