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Finding the Fourth Proportional to 573,067.64, 859,551.89 and 193,980.22

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Solution

The fourth proportional to 573,067.64, 859,551.89 and 193,980.22 is: 290,953.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,067.64 : 859,551.89 = 193,980.22 : x
  2. Step 2: Convert to fraction form
    573,067.64/859,551.89 = 193,980.22/x
  3. Step 3: Cross multiply
    573,067.64x = 859,551.89 × 193,980.22
  4. Step 4: Simplify right side
    573,067.64x = 166,736,061,604.84
  5. Step 5: Solve for x
    x = 166,736,061,604.84/573,067.64
  6. Step 6: Final answer
    x = 290,953.54

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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.