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Finding the Fourth Proportional to 493,144.92, 739,680.93 and 239,642.46

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Solution

The fourth proportional to 493,144.92, 739,680.93 and 239,642.46 is: 359,445.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,144.92 : 739,680.93 = 239,642.46 : x
  2. Step 2: Convert to fraction form
    493,144.92/739,680.93 = 239,642.46/x
  3. Step 3: Cross multiply
    493,144.92x = 739,680.93 × 239,642.46
  4. Step 4: Simplify right side
    493,144.92x = 177,258,957,680.29
  5. Step 5: Solve for x
    x = 177,258,957,680.29/493,144.92
  6. Step 6: Final answer
    x = 359,445.98

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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.