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Finding the Fourth Proportional to 223,352.20, 335,028.30 and 212,984.20

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Solution

The fourth proportional to 223,352.20, 335,028.30 and 212,984.20 is: 319,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,352.20 : 335,028.30 = 212,984.20 : x
  2. Step 2: Convert to fraction form
    223,352.20/335,028.30 = 212,984.20/x
  3. Step 3: Cross multiply
    223,352.20x = 335,028.30 × 212,984.20
  4. Step 4: Simplify right side
    223,352.20x = 71,355,734,452.86
  5. Step 5: Solve for x
    x = 71,355,734,452.86/223,352.20
  6. Step 6: Final answer
    x = 319,476.30

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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.