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Finding the Fourth Proportional to 351,576.84, 527,012.64 and 174,212.76

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Solution

The fourth proportional to 351,576.84, 527,012.64 and 174,212.76 is: 261,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,576.84 : 527,012.64 = 174,212.76 : x
  2. Step 2: Convert to fraction form
    351,576.84/527,012.64 = 174,212.76/x
  3. Step 3: Cross multiply
    351,576.84x = 527,012.64 × 174,212.76
  4. Step 4: Simplify right side
    351,576.84x = 91,812,326,569.29
  5. Step 5: Solve for x
    x = 91,812,326,569.29/351,576.84
  6. Step 6: Final answer
    x = 261,144.41

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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.