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Finding the Fourth Proportional to 312,233.96, 430,883.33 and 168,993.96

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Solution

The fourth proportional to 312,233.96, 430,883.33 and 168,993.96 is: 233,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,233.96 : 430,883.33 = 168,993.96 : x
  2. Step 2: Convert to fraction form
    312,233.96/430,883.33 = 168,993.96/x
  3. Step 3: Cross multiply
    312,233.96x = 430,883.33 × 168,993.96
  4. Step 4: Simplify right side
    312,233.96x = 72,816,679,389.72
  5. Step 5: Solve for x
    x = 72,816,679,389.72/312,233.96
  6. Step 6: Final answer
    x = 233,211.92

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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.