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Finding the Fourth Proportional to 627,512.85, 865,980.51 and 341,051.37

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Solution

The fourth proportional to 627,512.85, 865,980.51 and 341,051.37 is: 470,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,512.85 : 865,980.51 = 341,051.37 : x
  2. Step 2: Convert to fraction form
    627,512.85/865,980.51 = 341,051.37/x
  3. Step 3: Cross multiply
    627,512.85x = 865,980.51 × 341,051.37
  4. Step 4: Simplify right side
    627,512.85x = 295,343,839,328.80
  5. Step 5: Solve for x
    x = 295,343,839,328.80/627,512.85
  6. Step 6: Final answer
    x = 470,657.83

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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.