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Finding the Fourth Proportional to 627,881.51, 866,470.47 and 341,401.70

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Solution

The fourth proportional to 627,881.51, 866,470.47 and 341,401.70 is: 471,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,881.51 : 866,470.47 = 341,401.70 : x
  2. Step 2: Convert to fraction form
    627,881.51/866,470.47 = 341,401.70/x
  3. Step 3: Cross multiply
    627,881.51x = 866,470.47 × 341,401.70
  4. Step 4: Simplify right side
    627,881.51x = 295,814,491,457.80
  5. Step 5: Solve for x
    x = 295,814,491,457.80/627,881.51
  6. Step 6: Final answer
    x = 471,131.08

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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.