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Finding the Fourth Proportional to 323,733.60, 485,600.40 and 317,512.80

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Solution

The fourth proportional to 323,733.60, 485,600.40 and 317,512.80 is: 476,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,733.60 : 485,600.40 = 317,512.80 : x
  2. Step 2: Convert to fraction form
    323,733.60/485,600.40 = 317,512.80/x
  3. Step 3: Cross multiply
    323,733.60x = 485,600.40 × 317,512.80
  4. Step 4: Simplify right side
    323,733.60x = 154,184,342,685.12
  5. Step 5: Solve for x
    x = 154,184,342,685.12/323,733.60
  6. Step 6: Final answer
    x = 476,269.20

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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.