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Finding the Fourth Proportional to 267,730.77, 401,466.87 and 155,439.30

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Solution

The fourth proportional to 267,730.77, 401,466.87 and 155,439.30 is: 233,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,730.77 : 401,466.87 = 155,439.30 : x
  2. Step 2: Convert to fraction form
    267,730.77/401,466.87 = 155,439.30/x
  3. Step 3: Cross multiply
    267,730.77x = 401,466.87 × 155,439.30
  4. Step 4: Simplify right side
    267,730.77x = 62,403,729,245.99
  5. Step 5: Solve for x
    x = 62,403,729,245.99/267,730.77
  6. Step 6: Final answer
    x = 233,083.89

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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.