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Finding the Fourth Proportional to 245,965.93, 368,560.29 and 185,709.22

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Solution

The fourth proportional to 245,965.93, 368,560.29 and 185,709.22 is: 278,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,965.93 : 368,560.29 = 185,709.22 : x
  2. Step 2: Convert to fraction form
    245,965.93/368,560.29 = 185,709.22/x
  3. Step 3: Cross multiply
    245,965.93x = 368,560.29 × 185,709.22
  4. Step 4: Simplify right side
    245,965.93x = 68,445,043,753.88
  5. Step 5: Solve for x
    x = 68,445,043,753.88/245,965.93
  6. Step 6: Final answer
    x = 278,270.43

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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.