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Finding the Fourth Proportional to 292,267.78, 403,286.30 and 177,486.74

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Solution

The fourth proportional to 292,267.78, 403,286.30 and 177,486.74 is: 244,905.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,267.78 : 403,286.30 = 177,486.74 : x
  2. Step 2: Convert to fraction form
    292,267.78/403,286.30 = 177,486.74/x
  3. Step 3: Cross multiply
    292,267.78x = 403,286.30 × 177,486.74
  4. Step 4: Simplify right side
    292,267.78x = 71,577,970,673.66
  5. Step 5: Solve for x
    x = 71,577,970,673.66/292,267.78
  6. Step 6: Final answer
    x = 244,905.44

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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.