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Finding the Fourth Proportional to 339,581.32, 468,622.32 and 188,678.32

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Solution

The fourth proportional to 339,581.32, 468,622.32 and 188,678.32 is: 260,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,581.32 : 468,622.32 = 188,678.32 : x
  2. Step 2: Convert to fraction form
    339,581.32/468,622.32 = 188,678.32/x
  3. Step 3: Cross multiply
    339,581.32x = 468,622.32 × 188,678.32
  4. Step 4: Simplify right side
    339,581.32x = 88,418,872,052.10
  5. Step 5: Solve for x
    x = 88,418,872,052.10/339,581.32
  6. Step 6: Final answer
    x = 260,376.14

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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.