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Finding the Fourth Proportional to 295,903.92, 408,247.45 and 168,489.30

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Solution

The fourth proportional to 295,903.92, 408,247.45 and 168,489.30 is: 232,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,903.92 : 408,247.45 = 168,489.30 : x
  2. Step 2: Convert to fraction form
    295,903.92/408,247.45 = 168,489.30/x
  3. Step 3: Cross multiply
    295,903.92x = 408,247.45 × 168,489.30
  4. Step 4: Simplify right side
    295,903.92x = 68,785,327,077.29
  5. Step 5: Solve for x
    x = 68,785,327,077.29/295,903.92
  6. Step 6: Final answer
    x = 232,458.32

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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.