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Finding the Fourth Proportional to 339,590.22, 468,603.90 and 186,626.58

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Solution

The fourth proportional to 339,590.22, 468,603.90 and 186,626.58 is: 257,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,590.22 : 468,603.90 = 186,626.58 : x
  2. Step 2: Convert to fraction form
    339,590.22/468,603.90 = 186,626.58/x
  3. Step 3: Cross multiply
    339,590.22x = 468,603.90 × 186,626.58
  4. Step 4: Simplify right side
    339,590.22x = 87,453,943,231.66
  5. Step 5: Solve for x
    x = 87,453,943,231.66/339,590.22
  6. Step 6: Final answer
    x = 257,527.86

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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.