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Finding the Fourth Proportional to 351,632.70, 527,499.31 and 108,494.36

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Solution

The fourth proportional to 351,632.70, 527,499.31 and 108,494.36 is: 162,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,632.70 : 527,499.31 = 108,494.36 : x
  2. Step 2: Convert to fraction form
    351,632.70/527,499.31 = 108,494.36/x
  3. Step 3: Cross multiply
    351,632.70x = 527,499.31 × 108,494.36
  4. Step 4: Simplify right side
    351,632.70x = 57,230,700,038.89
  5. Step 5: Solve for x
    x = 57,230,700,038.89/351,632.70
  6. Step 6: Final answer
    x = 162,757.05

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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.