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Finding the Fourth Proportional to 267,323.40, 400,985.10 and 165,846.60

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Solution

The fourth proportional to 267,323.40, 400,985.10 and 165,846.60 is: 248,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,323.40 : 400,985.10 = 165,846.60 : x
  2. Step 2: Convert to fraction form
    267,323.40/400,985.10 = 165,846.60/x
  3. Step 3: Cross multiply
    267,323.40x = 400,985.10 × 165,846.60
  4. Step 4: Simplify right side
    267,323.40x = 66,502,015,485.66
  5. Step 5: Solve for x
    x = 66,502,015,485.66/267,323.40
  6. Step 6: Final answer
    x = 248,769.90

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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.