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Finding the Fourth Proportional to 371,959.92, 513,360.81 and 226,849.91

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Solution

The fourth proportional to 371,959.92, 513,360.81 and 226,849.91 is: 313,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,959.92 : 513,360.81 = 226,849.91 : x
  2. Step 2: Convert to fraction form
    371,959.92/513,360.81 = 226,849.91/x
  3. Step 3: Cross multiply
    371,959.92x = 513,360.81 × 226,849.91
  4. Step 4: Simplify right side
    371,959.92x = 116,455,850,979.22
  5. Step 5: Solve for x
    x = 116,455,850,979.22/371,959.92
  6. Step 6: Final answer
    x = 313,087.10

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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.