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Finding the Fourth Proportional to 248,478.72, 374,377.79 and 224,816.60

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Solution

The fourth proportional to 248,478.72, 374,377.79 and 224,816.60 is: 338,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,478.72 : 374,377.79 = 224,816.60 : x
  2. Step 2: Convert to fraction form
    248,478.72/374,377.79 = 224,816.60/x
  3. Step 3: Cross multiply
    248,478.72x = 374,377.79 × 224,816.60
  4. Step 4: Simplify right side
    248,478.72x = 84,166,338,867.34
  5. Step 5: Solve for x
    x = 84,166,338,867.34/248,478.72
  6. Step 6: Final answer
    x = 338,726.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.