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Finding the Fourth Proportional to 627,842.24, 866,417.88 and 341,362.40

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Solution

The fourth proportional to 627,842.24, 866,417.88 and 341,362.40 is: 471,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,842.24 : 866,417.88 = 341,362.40 : x
  2. Step 2: Convert to fraction form
    627,842.24/866,417.88 = 341,362.40/x
  3. Step 3: Cross multiply
    627,842.24x = 866,417.88 × 341,362.40
  4. Step 4: Simplify right side
    627,842.24x = 295,762,486,919.71
  5. Step 5: Solve for x
    x = 295,762,486,919.71/627,842.24
  6. Step 6: Final answer
    x = 471,077.71

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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.