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Finding the Fourth Proportional to 267,563.20, 401,344.80 and 243,068.80

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Solution

The fourth proportional to 267,563.20, 401,344.80 and 243,068.80 is: 364,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,563.20 : 401,344.80 = 243,068.80 : x
  2. Step 2: Convert to fraction form
    267,563.20/401,344.80 = 243,068.80/x
  3. Step 3: Cross multiply
    267,563.20x = 401,344.80 × 243,068.80
  4. Step 4: Simplify right side
    267,563.20x = 97,554,398,922.24
  5. Step 5: Solve for x
    x = 97,554,398,922.24/267,563.20
  6. Step 6: Final answer
    x = 364,603.20

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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.