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Finding the Fourth Proportional to 351,953.98, 527,930.96 and 162,358.25

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Solution

The fourth proportional to 351,953.98, 527,930.96 and 162,358.25 is: 243,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,953.98 : 527,930.96 = 162,358.25 : x
  2. Step 2: Convert to fraction form
    351,953.98/527,930.96 = 162,358.25/x
  3. Step 3: Cross multiply
    351,953.98x = 527,930.96 × 162,358.25
  4. Step 4: Simplify right side
    351,953.98x = 85,713,946,786.42
  5. Step 5: Solve for x
    x = 85,713,946,786.42/351,953.98
  6. Step 6: Final answer
    x = 243,537.37

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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.