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Finding the Fourth Proportional to 343,937.57, 474,631.11 and 188,887.10

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Solution

The fourth proportional to 343,937.57, 474,631.11 and 188,887.10 is: 260,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,937.57 : 474,631.11 = 188,887.10 : x
  2. Step 2: Convert to fraction form
    343,937.57/474,631.11 = 188,887.10/x
  3. Step 3: Cross multiply
    343,937.57x = 474,631.11 × 188,887.10
  4. Step 4: Simplify right side
    343,937.57x = 89,651,691,564.53
  5. Step 5: Solve for x
    x = 89,651,691,564.53/343,937.57
  6. Step 6: Final answer
    x = 260,662.69

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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.