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Finding the Fourth Proportional to 339,589.48, 468,612.90 and 188,681.32

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Solution

The fourth proportional to 339,589.48, 468,612.90 and 188,681.32 is: 260,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,589.48 : 468,612.90 = 188,681.32 : x
  2. Step 2: Convert to fraction form
    339,589.48/468,612.90 = 188,681.32/x
  3. Step 3: Cross multiply
    339,589.48x = 468,612.90 × 188,681.32
  4. Step 4: Simplify right side
    339,589.48x = 88,418,500,541.03
  5. Step 5: Solve for x
    x = 88,418,500,541.03/339,589.48
  6. Step 6: Final answer
    x = 260,368.79

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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.