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Finding the Fourth Proportional to 338,317.86, 466,893.81 and 187,405.14

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Solution

The fourth proportional to 338,317.86, 466,893.81 and 187,405.14 is: 258,627.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,317.86 : 466,893.81 = 187,405.14 : x
  2. Step 2: Convert to fraction form
    338,317.86/466,893.81 = 187,405.14/x
  3. Step 3: Cross multiply
    338,317.86x = 466,893.81 × 187,405.14
  4. Step 4: Simplify right side
    338,317.86x = 87,498,299,828.18
  5. Step 5: Solve for x
    x = 87,498,299,828.18/338,317.86
  6. Step 6: Final answer
    x = 258,627.49

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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.