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Finding the Fourth Proportional to 248,650.80, 372,101.40 and 227,655.60

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Solution

The fourth proportional to 248,650.80, 372,101.40 and 227,655.60 is: 340,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,650.80 : 372,101.40 = 227,655.60 : x
  2. Step 2: Convert to fraction form
    248,650.80/372,101.40 = 227,655.60/x
  3. Step 3: Cross multiply
    248,650.80x = 372,101.40 × 227,655.60
  4. Step 4: Simplify right side
    248,650.80x = 84,710,967,477.84
  5. Step 5: Solve for x
    x = 84,710,967,477.84/248,650.80
  6. Step 6: Final answer
    x = 340,682.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.