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Finding the Fourth Proportional to 338,349.90, 466,942.45 and 185,388.39

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Solution

The fourth proportional to 338,349.90, 466,942.45 and 185,388.39 is: 255,846.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,349.90 : 466,942.45 = 185,388.39 : x
  2. Step 2: Convert to fraction form
    338,349.90/466,942.45 = 185,388.39/x
  3. Step 3: Cross multiply
    338,349.90x = 466,942.45 × 185,388.39
  4. Step 4: Simplify right side
    338,349.90x = 86,565,708,564.68
  5. Step 5: Solve for x
    x = 86,565,708,564.68/338,349.90
  6. Step 6: Final answer
    x = 255,846.71

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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.