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Finding the Fourth Proportional to 379,954.33, 524,335.06 and 207,869.17

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Solution

The fourth proportional to 379,954.33, 524,335.06 and 207,869.17 is: 286,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,954.33 : 524,335.06 = 207,869.17 : x
  2. Step 2: Convert to fraction form
    379,954.33/524,335.06 = 207,869.17/x
  3. Step 3: Cross multiply
    379,954.33x = 524,335.06 × 207,869.17
  4. Step 4: Simplify right side
    379,954.33x = 108,993,093,724.10
  5. Step 5: Solve for x
    x = 108,993,093,724.10/379,954.33
  6. Step 6: Final answer
    x = 286,858.41

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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.