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Finding the Fourth Proportional to 312,232.46, 430,881.26 and 168,992.46

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Solution

The fourth proportional to 312,232.46, 430,881.26 and 168,992.46 is: 233,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,232.46 : 430,881.26 = 168,992.46 : x
  2. Step 2: Convert to fraction form
    312,232.46/430,881.26 = 168,992.46/x
  3. Step 3: Cross multiply
    312,232.46x = 430,881.26 × 168,992.46
  4. Step 4: Simplify right side
    312,232.46x = 72,815,683,250.34
  5. Step 5: Solve for x
    x = 72,815,683,250.34/312,232.46
  6. Step 6: Final answer
    x = 233,209.85

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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.