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Finding the Fourth Proportional to 344,049, 474,787.62 and 193,146

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Solution

The fourth proportional to 344,049, 474,787.62 and 193,146 is: 266,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,049 : 474,787.62 = 193,146 : x
  2. Step 2: Convert to fraction form
    344,049/474,787.62 = 193,146/x
  3. Step 3: Cross multiply
    344,049x = 474,787.62 × 193,146
  4. Step 4: Simplify right side
    344,049x = 91,703,329,652.52
  5. Step 5: Solve for x
    x = 91,703,329,652.52/344,049
  6. Step 6: Final answer
    x = 266,541.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.