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Finding the Fourth Proportional to 248,450.40, 372,675.60 and 221,493.60

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Solution

The fourth proportional to 248,450.40, 372,675.60 and 221,493.60 is: 332,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,450.40 : 372,675.60 = 221,493.60 : x
  2. Step 2: Convert to fraction form
    248,450.40/372,675.60 = 221,493.60/x
  3. Step 3: Cross multiply
    248,450.40x = 372,675.60 × 221,493.60
  4. Step 4: Simplify right side
    248,450.40x = 82,545,260,276.16
  5. Step 5: Solve for x
    x = 82,545,260,276.16/248,450.40
  6. Step 6: Final answer
    x = 332,240.40

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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.