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Finding the Fourth Proportional to 248,319.48, 372,479.22 and 204,365.88

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Solution

The fourth proportional to 248,319.48, 372,479.22 and 204,365.88 is: 306,548.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,319.48 : 372,479.22 = 204,365.88 : x
  2. Step 2: Convert to fraction form
    248,319.48/372,479.22 = 204,365.88/x
  3. Step 3: Cross multiply
    248,319.48x = 372,479.22 × 204,365.88
  4. Step 4: Simplify right side
    248,319.48x = 76,122,043,577.01
  5. Step 5: Solve for x
    x = 76,122,043,577.01/248,319.48
  6. Step 6: Final answer
    x = 306,548.82

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1.5x scale

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.