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Finding the Fourth Proportional to 248,266.40, 371,962.20 and 203,651.60

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Solution

The fourth proportional to 248,266.40, 371,962.20 and 203,651.60 is: 305,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,266.40 : 371,962.20 = 203,651.60 : x
  2. Step 2: Convert to fraction form
    248,266.40/371,962.20 = 203,651.60/x
  3. Step 3: Cross multiply
    248,266.40x = 371,962.20 × 203,651.60
  4. Step 4: Simplify right side
    248,266.40x = 75,750,697,169.52
  5. Step 5: Solve for x
    x = 75,750,697,169.52/248,266.40
  6. Step 6: Final answer
    x = 305,118.60

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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.