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Finding the Fourth Proportional to 482,406.30, 665,760.54 and 267,615.60

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Solution

The fourth proportional to 482,406.30, 665,760.54 and 267,615.60 is: 369,331.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,406.30 : 665,760.54 = 267,615.60 : x
  2. Step 2: Convert to fraction form
    482,406.30/665,760.54 = 267,615.60/x
  3. Step 3: Cross multiply
    482,406.30x = 665,760.54 × 267,615.60
  4. Step 4: Simplify right side
    482,406.30x = 178,167,906,368.42
  5. Step 5: Solve for x
    x = 178,167,906,368.42/482,406.30
  6. Step 6: Final answer
    x = 369,331.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.