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Finding the Fourth Proportional to 339,404.40, 468,399.24 and 188,501.04

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Solution

The fourth proportional to 339,404.40, 468,399.24 and 188,501.04 is: 260,143.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,404.40 : 468,399.24 = 188,501.04 : x
  2. Step 2: Convert to fraction form
    339,404.40/468,399.24 = 188,501.04/x
  3. Step 3: Cross multiply
    339,404.40x = 468,399.24 × 188,501.04
  4. Step 4: Simplify right side
    339,404.40x = 88,293,743,875.21
  5. Step 5: Solve for x
    x = 88,293,743,875.21/339,404.40
  6. Step 6: Final answer
    x = 260,143.19

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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.