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Finding the Fourth Proportional to 494,489.01, 742,339.04 and 326,150.13

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Solution

The fourth proportional to 494,489.01, 742,339.04 and 326,150.13 is: 489,624.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,489.01 : 742,339.04 = 326,150.13 : x
  2. Step 2: Convert to fraction form
    494,489.01/742,339.04 = 326,150.13/x
  3. Step 3: Cross multiply
    494,489.01x = 742,339.04 × 326,150.13
  4. Step 4: Simplify right side
    494,489.01x = 242,113,972,769.33
  5. Step 5: Solve for x
    x = 242,113,972,769.33/494,489.01
  6. Step 6: Final answer
    x = 489,624.58

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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.