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Finding the Fourth Proportional to 223,361.60, 335,042.40 and 197,992.40

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Solution

The fourth proportional to 223,361.60, 335,042.40 and 197,992.40 is: 296,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,361.60 : 335,042.40 = 197,992.40 : x
  2. Step 2: Convert to fraction form
    223,361.60/335,042.40 = 197,992.40/x
  3. Step 3: Cross multiply
    223,361.60x = 335,042.40 × 197,992.40
  4. Step 4: Simplify right side
    223,361.60x = 66,335,848,877.76
  5. Step 5: Solve for x
    x = 66,335,848,877.76/223,361.60
  6. Step 6: Final answer
    x = 296,988.60

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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.