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Finding the Fourth Proportional to 223,892.40, 335,838.60 and 221,818.80

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Solution

The fourth proportional to 223,892.40, 335,838.60 and 221,818.80 is: 332,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,892.40 : 335,838.60 = 221,818.80 : x
  2. Step 2: Convert to fraction form
    223,892.40/335,838.60 = 221,818.80/x
  3. Step 3: Cross multiply
    223,892.40x = 335,838.60 × 221,818.80
  4. Step 4: Simplify right side
    223,892.40x = 74,495,315,245.68
  5. Step 5: Solve for x
    x = 74,495,315,245.68/223,892.40
  6. Step 6: Final answer
    x = 332,728.20

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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.