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Finding the Fourth Proportional to 331,342.40, 497,013.60 and 162,888.73

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Solution

The fourth proportional to 331,342.40, 497,013.60 and 162,888.73 is: 244,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,342.40 : 497,013.60 = 162,888.73 : x
  2. Step 2: Convert to fraction form
    331,342.40/497,013.60 = 162,888.73/x
  3. Step 3: Cross multiply
    331,342.40x = 497,013.60 × 162,888.73
  4. Step 4: Simplify right side
    331,342.40x = 80,957,914,096.73
  5. Step 5: Solve for x
    x = 80,957,914,096.73/331,342.40
  6. Step 6: Final answer
    x = 244,333.10

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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.