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Finding the Fourth Proportional to 627,648.94, 866,150.58 and 341,161.66

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Solution

The fourth proportional to 627,648.94, 866,150.58 and 341,161.66 is: 470,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,648.94 : 866,150.58 = 341,161.66 : x
  2. Step 2: Convert to fraction form
    627,648.94/866,150.58 = 341,161.66/x
  3. Step 3: Cross multiply
    627,648.94x = 866,150.58 × 341,161.66
  4. Step 4: Simplify right side
    627,648.94x = 295,497,369,682.76
  5. Step 5: Solve for x
    x = 295,497,369,682.76/627,648.94
  6. Step 6: Final answer
    x = 470,800.40

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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.