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Finding the Fourth Proportional to 627,577.76, 866,062.58 and 341,097.77

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Solution

The fourth proportional to 627,577.76, 866,062.58 and 341,097.77 is: 470,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,577.76 : 866,062.58 = 341,097.77 : x
  2. Step 2: Convert to fraction form
    627,577.76/866,062.58 = 341,097.77/x
  3. Step 3: Cross multiply
    627,577.76x = 866,062.58 × 341,097.77
  4. Step 4: Simplify right side
    627,577.76x = 295,412,008,682.65
  5. Step 5: Solve for x
    x = 295,412,008,682.65/627,577.76
  6. Step 6: Final answer
    x = 470,717.78

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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.