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Finding the Fourth Proportional to 452,987.49, 678,002.67 and 333,012.68

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Solution

The fourth proportional to 452,987.49, 678,002.67 and 333,012.68 is: 498,432.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,987.49 : 678,002.67 = 333,012.68 : x
  2. Step 2: Convert to fraction form
    452,987.49/678,002.67 = 333,012.68/x
  3. Step 3: Cross multiply
    452,987.49x = 678,002.67 × 333,012.68
  4. Step 4: Simplify right side
    452,987.49x = 225,783,486,183.86
  5. Step 5: Solve for x
    x = 225,783,486,183.86/452,987.49
  6. Step 6: Final answer
    x = 498,432.06

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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.