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Finding the Fourth Proportional to 262,618.54, 393,894.92 and 73,093.12

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Solution

The fourth proportional to 262,618.54, 393,894.92 and 73,093.12 is: 109,630.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,618.54 : 393,894.92 = 73,093.12 : x
  2. Step 2: Convert to fraction form
    262,618.54/393,894.92 = 73,093.12/x
  3. Step 3: Cross multiply
    262,618.54x = 393,894.92 × 73,093.12
  4. Step 4: Simplify right side
    262,618.54x = 28,791,008,654.95
  5. Step 5: Solve for x
    x = 28,791,008,654.95/262,618.54
  6. Step 6: Final answer
    x = 109,630.53

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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.