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Finding the Fourth Proportional to 571,144.84, 856,760.31 and 192,066.66

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Solution

The fourth proportional to 571,144.84, 856,760.31 and 192,066.66 is: 288,114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,144.84 : 856,760.31 = 192,066.66 : x
  2. Step 2: Convert to fraction form
    571,144.84/856,760.31 = 192,066.66/x
  3. Step 3: Cross multiply
    571,144.84x = 856,760.31 × 192,066.66
  4. Step 4: Simplify right side
    571,144.84x = 164,555,091,162.27
  5. Step 5: Solve for x
    x = 164,555,091,162.27/571,144.84
  6. Step 6: Final answer
    x = 288,114.47

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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.