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Finding the Fourth Proportional to 301,516.60, 451,618.80 and 182,981.20

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Solution

The fourth proportional to 301,516.60, 451,618.80 and 182,981.20 is: 274,073.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,516.60 : 451,618.80 = 182,981.20 : x
  2. Step 2: Convert to fraction form
    301,516.60/451,618.80 = 182,981.20/x
  3. Step 3: Cross multiply
    301,516.60x = 451,618.80 × 182,981.20
  4. Step 4: Simplify right side
    301,516.60x = 82,637,749,966.56
  5. Step 5: Solve for x
    x = 82,637,749,966.56/301,516.60
  6. Step 6: Final answer
    x = 274,073.63

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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.