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Finding the Fourth Proportional to 248,156.60, 372,234.90 and 220,600.40

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Solution

The fourth proportional to 248,156.60, 372,234.90 and 220,600.40 is: 330,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,156.60 : 372,234.90 = 220,600.40 : x
  2. Step 2: Convert to fraction form
    248,156.60/372,234.90 = 220,600.40/x
  3. Step 3: Cross multiply
    248,156.60x = 372,234.90 × 220,600.40
  4. Step 4: Simplify right side
    248,156.60x = 82,115,167,833.96
  5. Step 5: Solve for x
    x = 82,115,167,833.96/248,156.60
  6. Step 6: Final answer
    x = 330,900.60

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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.