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Finding the Fourth Proportional to 223,377.60, 335,066.40 and 198,008.40

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Solution

The fourth proportional to 223,377.60, 335,066.40 and 198,008.40 is: 297,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,377.60 : 335,066.40 = 198,008.40 : x
  2. Step 2: Convert to fraction form
    223,377.60/335,066.40 = 198,008.40/x
  3. Step 3: Cross multiply
    223,377.60x = 335,066.40 × 198,008.40
  4. Step 4: Simplify right side
    223,377.60x = 66,345,961,757.76
  5. Step 5: Solve for x
    x = 66,345,961,757.76/223,377.60
  6. Step 6: Final answer
    x = 297,012.60

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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.