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Finding the Fourth Proportional to 346,760.73, 519,993.41 and 136,251

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Solution

The fourth proportional to 346,760.73, 519,993.41 and 136,251 is: 204,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,760.73 : 519,993.41 = 136,251 : x
  2. Step 2: Convert to fraction form
    346,760.73/519,993.41 = 136,251/x
  3. Step 3: Cross multiply
    346,760.73x = 519,993.41 × 136,251
  4. Step 4: Simplify right side
    346,760.73x = 70,849,621,424.66
  5. Step 5: Solve for x
    x = 70,849,621,424.66/346,760.73
  6. Step 6: Final answer
    x = 204,318.47

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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.