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Finding the Fourth Proportional to 491,162.54, 736,744.01 and 220,975.19

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Solution

The fourth proportional to 491,162.54, 736,744.01 and 220,975.19 is: 331,462.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,162.54 : 736,744.01 = 220,975.19 : x
  2. Step 2: Convert to fraction form
    491,162.54/736,744.01 = 220,975.19/x
  3. Step 3: Cross multiply
    491,162.54x = 736,744.01 × 220,975.19
  4. Step 4: Simplify right side
    491,162.54x = 162,802,145,565.31
  5. Step 5: Solve for x
    x = 162,802,145,565.31/491,162.54
  6. Step 6: Final answer
    x = 331,462.87

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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.