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Finding the Fourth Proportional to 220,652.54, 304,593.19 and 186,836.34

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Solution

The fourth proportional to 220,652.54, 304,593.19 and 186,836.34 is: 257,912.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,652.54 : 304,593.19 = 186,836.34 : x
  2. Step 2: Convert to fraction form
    220,652.54/304,593.19 = 186,836.34/x
  3. Step 3: Cross multiply
    220,652.54x = 304,593.19 × 186,836.34
  4. Step 4: Simplify right side
    220,652.54x = 56,909,076,808.52
  5. Step 5: Solve for x
    x = 56,909,076,808.52/220,652.54
  6. Step 6: Final answer
    x = 257,912.63

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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.