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Finding the Fourth Proportional to 335,721.62, 503,596.32 and 99,064.31

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Solution

The fourth proportional to 335,721.62, 503,596.32 and 99,064.31 is: 148,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,721.62 : 503,596.32 = 99,064.31 : x
  2. Step 2: Convert to fraction form
    335,721.62/503,596.32 = 99,064.31/x
  3. Step 3: Cross multiply
    335,721.62x = 503,596.32 × 99,064.31
  4. Step 4: Simplify right side
    335,721.62x = 49,888,419,627.10
  5. Step 5: Solve for x
    x = 49,888,419,627.10/335,721.62
  6. Step 6: Final answer
    x = 148,600.56

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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.