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Finding the Fourth Proportional to 295,866.57, 408,196.12 and 168,451.95

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Solution

The fourth proportional to 295,866.57, 408,196.12 and 168,451.95 is: 232,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,866.57 : 408,196.12 = 168,451.95 : x
  2. Step 2: Convert to fraction form
    295,866.57/408,196.12 = 168,451.95/x
  3. Step 3: Cross multiply
    295,866.57x = 408,196.12 × 168,451.95
  4. Step 4: Simplify right side
    295,866.57x = 68,761,432,396.43
  5. Step 5: Solve for x
    x = 68,761,432,396.43/295,866.57
  6. Step 6: Final answer
    x = 232,406.90

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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.