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Finding the Fourth Proportional to 297,414.16, 445,188.12 and 156,746.32

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Solution

The fourth proportional to 297,414.16, 445,188.12 and 156,746.32 is: 234,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,414.16 : 445,188.12 = 156,746.32 : x
  2. Step 2: Convert to fraction form
    297,414.16/445,188.12 = 156,746.32/x
  3. Step 3: Cross multiply
    297,414.16x = 445,188.12 × 156,746.32
  4. Step 4: Simplify right side
    297,414.16x = 69,781,599,517.72
  5. Step 5: Solve for x
    x = 69,781,599,517.72/297,414.16
  6. Step 6: Final answer
    x = 234,627.70

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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.