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Finding the Fourth Proportional to 535,576.92, 803,361.90 and 136,214.22

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Solution

The fourth proportional to 535,576.92, 803,361.90 and 136,214.22 is: 204,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,576.92 : 803,361.90 = 136,214.22 : x
  2. Step 2: Convert to fraction form
    535,576.92/803,361.90 = 136,214.22/x
  3. Step 3: Cross multiply
    535,576.92x = 803,361.90 × 136,214.22
  4. Step 4: Simplify right side
    535,576.92x = 109,429,314,586.22
  5. Step 5: Solve for x
    x = 109,429,314,586.22/535,576.92
  6. Step 6: Final answer
    x = 204,320.44

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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.