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Finding the Fourth Proportional to 341,376.39, 471,063.69 and 188,411.76

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Solution

The fourth proportional to 341,376.39, 471,063.69 and 188,411.76 is: 259,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,376.39 : 471,063.69 = 188,411.76 : x
  2. Step 2: Convert to fraction form
    341,376.39/471,063.69 = 188,411.76/x
  3. Step 3: Cross multiply
    341,376.39x = 471,063.69 × 188,411.76
  4. Step 4: Simplify right side
    341,376.39x = 88,753,938,904.99
  5. Step 5: Solve for x
    x = 88,753,938,904.99/341,376.39
  6. Step 6: Final answer
    x = 259,988.51

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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.