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Finding the Fourth Proportional to 443,893.24, 665,810.70 and 191,163.52

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Solution

The fourth proportional to 443,893.24, 665,810.70 and 191,163.52 is: 286,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,893.24 : 665,810.70 = 191,163.52 : x
  2. Step 2: Convert to fraction form
    443,893.24/665,810.70 = 191,163.52/x
  3. Step 3: Cross multiply
    443,893.24x = 665,810.70 × 191,163.52
  4. Step 4: Simplify right side
    443,893.24x = 127,278,717,065.66
  5. Step 5: Solve for x
    x = 127,278,717,065.66/443,893.24
  6. Step 6: Final answer
    x = 286,732.72

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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.