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Finding the Fourth Proportional to 232,367.76, 318,578.96 and 228,168.72

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Solution

The fourth proportional to 232,367.76, 318,578.96 and 228,168.72 is: 312,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,367.76 : 318,578.96 = 228,168.72 : x
  2. Step 2: Convert to fraction form
    232,367.76/318,578.96 = 228,168.72/x
  3. Step 3: Cross multiply
    232,367.76x = 318,578.96 × 228,168.72
  4. Step 4: Simplify right side
    232,367.76x = 72,689,753,522.13
  5. Step 5: Solve for x
    x = 72,689,753,522.13/232,367.76
  6. Step 6: Final answer
    x = 312,822.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.