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Finding the Fourth Proportional to 267,551.70, 401,327.55 and 243,057.30

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Solution

The fourth proportional to 267,551.70, 401,327.55 and 243,057.30 is: 364,585.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,551.70 : 401,327.55 = 243,057.30 : x
  2. Step 2: Convert to fraction form
    267,551.70/401,327.55 = 243,057.30/x
  3. Step 3: Cross multiply
    267,551.70x = 401,327.55 × 243,057.30
  4. Step 4: Simplify right side
    267,551.70x = 97,545,590,718.62
  5. Step 5: Solve for x
    x = 97,545,590,718.62/267,551.70
  6. Step 6: Final answer
    x = 364,585.95

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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.