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Finding the Fourth Proportional to 627,532.74, 866,001.89 and 341,052.84

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Solution

The fourth proportional to 627,532.74, 866,001.89 and 341,052.84 is: 470,656.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,532.74 : 866,001.89 = 341,052.84 : x
  2. Step 2: Convert to fraction form
    627,532.74/866,001.89 = 341,052.84/x
  3. Step 3: Cross multiply
    627,532.74x = 866,001.89 × 341,052.84
  4. Step 4: Simplify right side
    627,532.74x = 295,352,402,324.60
  5. Step 5: Solve for x
    x = 295,352,402,324.60/627,532.74
  6. Step 6: Final answer
    x = 470,656.56

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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.