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Finding the Fourth Proportional to 627,744.42, 866,250.51 and 341,262

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Solution

The fourth proportional to 627,744.42, 866,250.51 and 341,262 is: 470,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,744.42 : 866,250.51 = 341,262 : x
  2. Step 2: Convert to fraction form
    627,744.42/866,250.51 = 341,262/x
  3. Step 3: Cross multiply
    627,744.42x = 866,250.51 × 341,262
  4. Step 4: Simplify right side
    627,744.42x = 295,618,381,543.62
  5. Step 5: Solve for x
    x = 295,618,381,543.62/627,744.42
  6. Step 6: Final answer
    x = 470,921.56

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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.