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Finding the Fourth Proportional to 627,546.26, 866,013.93 and 341,066.35

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Solution

The fourth proportional to 627,546.26, 866,013.93 and 341,066.35 is: 470,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,546.26 : 866,013.93 = 341,066.35 : x
  2. Step 2: Convert to fraction form
    627,546.26/866,013.93 = 341,066.35/x
  3. Step 3: Cross multiply
    627,546.26x = 866,013.93 × 341,066.35
  4. Step 4: Simplify right side
    627,546.26x = 295,368,210,154.26
  5. Step 5: Solve for x
    x = 295,368,210,154.26/627,546.26
  6. Step 6: Final answer
    x = 470,671.61

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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.