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Finding the Fourth Proportional to 267,708.77, 401,433.98 and 155,417.25

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Solution

The fourth proportional to 267,708.77, 401,433.98 and 155,417.25 is: 233,050.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,708.77 : 401,433.98 = 155,417.25 : x
  2. Step 2: Convert to fraction form
    267,708.77/401,433.98 = 155,417.25/x
  3. Step 3: Cross multiply
    267,708.77x = 401,433.98 × 155,417.25
  4. Step 4: Simplify right side
    267,708.77x = 62,389,765,228.16
  5. Step 5: Solve for x
    x = 62,389,765,228.16/267,708.77
  6. Step 6: Final answer
    x = 233,050.88

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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.