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Finding the Fourth Proportional to 339,409.92, 468,377.52 and 188,507.04

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Solution

The fourth proportional to 339,409.92, 468,377.52 and 188,507.04 is: 260,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,409.92 : 468,377.52 = 188,507.04 : x
  2. Step 2: Convert to fraction form
    339,409.92/468,377.52 = 188,507.04/x
  3. Step 3: Cross multiply
    339,409.92x = 468,377.52 × 188,507.04
  4. Step 4: Simplify right side
    339,409.92x = 88,292,459,897.74
  5. Step 5: Solve for x
    x = 88,292,459,897.74/339,409.92
  6. Step 6: Final answer
    x = 260,135.18

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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.