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Finding the Fourth Proportional to 295,990.82, 408,471.81 and 168,663.70

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Solution

The fourth proportional to 295,990.82, 408,471.81 and 168,663.70 is: 232,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,990.82 : 408,471.81 = 168,663.70 : x
  2. Step 2: Convert to fraction form
    295,990.82/408,471.81 = 168,663.70/x
  3. Step 3: Cross multiply
    295,990.82x = 408,471.81 × 168,663.70
  4. Step 4: Simplify right side
    295,990.82x = 68,894,366,820.30
  5. Step 5: Solve for x
    x = 68,894,366,820.30/295,990.82
  6. Step 6: Final answer
    x = 232,758.46

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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.