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Finding the Fourth Proportional to 362,444.80, 543,132.60 and 262,814.80

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Solution

The fourth proportional to 362,444.80, 543,132.60 and 262,814.80 is: 393,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,444.80 : 543,132.60 = 262,814.80 : x
  2. Step 2: Convert to fraction form
    362,444.80/543,132.60 = 262,814.80/x
  3. Step 3: Cross multiply
    362,444.80x = 543,132.60 × 262,814.80
  4. Step 4: Simplify right side
    362,444.80x = 142,743,285,642.48
  5. Step 5: Solve for x
    x = 142,743,285,642.48/362,444.80
  6. Step 6: Final answer
    x = 393,834.55

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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.