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Finding the Fourth Proportional to 341,316.97, 471,014.13 and 188,356.57

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Solution

The fourth proportional to 341,316.97, 471,014.13 and 188,356.57 is: 259,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,316.97 : 471,014.13 = 188,356.57 : x
  2. Step 2: Convert to fraction form
    341,316.97/471,014.13 = 188,356.57/x
  3. Step 3: Cross multiply
    341,316.97x = 471,014.13 × 188,356.57
  4. Step 4: Simplify right side
    341,316.97x = 88,718,605,948.33
  5. Step 5: Solve for x
    x = 88,718,605,948.33/341,316.97
  6. Step 6: Final answer
    x = 259,930.25

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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.