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Finding the Fourth Proportional to 267,647.42, 401,344.01 and 155,362.08

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Solution

The fourth proportional to 267,647.42, 401,344.01 and 155,362.08 is: 232,969.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,647.42 : 401,344.01 = 155,362.08 : x
  2. Step 2: Convert to fraction form
    267,647.42/401,344.01 = 155,362.08/x
  3. Step 3: Cross multiply
    267,647.42x = 401,344.01 × 155,362.08
  4. Step 4: Simplify right side
    267,647.42x = 62,353,639,412.33
  5. Step 5: Solve for x
    x = 62,353,639,412.33/267,647.42
  6. Step 6: Final answer
    x = 232,969.33

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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.