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Finding the Fourth Proportional to 341,380.14, 471,068.87 and 188,415.51

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Solution

The fourth proportional to 341,380.14, 471,068.87 and 188,415.51 is: 259,993.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,380.14 : 471,068.87 = 188,415.51 : x
  2. Step 2: Convert to fraction form
    341,380.14/471,068.87 = 188,415.51/x
  3. Step 3: Cross multiply
    341,380.14x = 471,068.87 × 188,415.51
  4. Step 4: Simplify right side
    341,380.14x = 88,756,680,444.10
  5. Step 5: Solve for x
    x = 88,756,680,444.10/341,380.14
  6. Step 6: Final answer
    x = 259,993.68

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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.