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Finding the Fourth Proportional to 262,341.60, 393,512.40 and 167,863.20

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Solution

The fourth proportional to 262,341.60, 393,512.40 and 167,863.20 is: 251,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,341.60 : 393,512.40 = 167,863.20 : x
  2. Step 2: Convert to fraction form
    262,341.60/393,512.40 = 167,863.20/x
  3. Step 3: Cross multiply
    262,341.60x = 393,512.40 × 167,863.20
  4. Step 4: Simplify right side
    262,341.60x = 66,056,250,703.68
  5. Step 5: Solve for x
    x = 66,056,250,703.68/262,341.60
  6. Step 6: Final answer
    x = 251,794.80

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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.