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Finding the Fourth Proportional to 362,418.20, 543,627.30 and 303,369.20

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Solution

The fourth proportional to 362,418.20, 543,627.30 and 303,369.20 is: 455,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,418.20 : 543,627.30 = 303,369.20 : x
  2. Step 2: Convert to fraction form
    362,418.20/543,627.30 = 303,369.20/x
  3. Step 3: Cross multiply
    362,418.20x = 543,627.30 × 303,369.20
  4. Step 4: Simplify right side
    362,418.20x = 164,919,779,099.16
  5. Step 5: Solve for x
    x = 164,919,779,099.16/362,418.20
  6. Step 6: Final answer
    x = 455,053.80

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1.5x scale

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.