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Finding the Fourth Proportional to 341,354.31, 471,068.15 and 188,401.87

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Solution

The fourth proportional to 341,354.31, 471,068.15 and 188,401.87 is: 259,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,354.31 : 471,068.15 = 188,401.87 : x
  2. Step 2: Convert to fraction form
    341,354.31/471,068.15 = 188,401.87/x
  3. Step 3: Cross multiply
    341,354.31x = 471,068.15 × 188,401.87
  4. Step 4: Simplify right side
    341,354.31x = 88,750,120,357.44
  5. Step 5: Solve for x
    x = 88,750,120,357.44/341,354.31
  6. Step 6: Final answer
    x = 259,994.14

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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.