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Finding the Fourth Proportional to 627,353.26, 865,752.78 and 340,873.35

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Solution

The fourth proportional to 627,353.26, 865,752.78 and 340,873.35 is: 470,408.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,353.26 : 865,752.78 = 340,873.35 : x
  2. Step 2: Convert to fraction form
    627,353.26/865,752.78 = 340,873.35/x
  3. Step 3: Cross multiply
    627,353.26x = 865,752.78 × 340,873.35
  4. Step 4: Simplify right side
    627,353.26x = 295,112,050,390.41
  5. Step 5: Solve for x
    x = 295,112,050,390.41/627,353.26
  6. Step 6: Final answer
    x = 470,408.09

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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.