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Finding the Fourth Proportional to 348,717.96, 481,461.84 and 267,996.60

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Solution

The fourth proportional to 348,717.96, 481,461.84 and 267,996.60 is: 370,012.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,717.96 : 481,461.84 = 267,996.60 : x
  2. Step 2: Convert to fraction form
    348,717.96/481,461.84 = 267,996.60/x
  3. Step 3: Cross multiply
    348,717.96x = 481,461.84 × 267,996.60
  4. Step 4: Simplify right side
    348,717.96x = 129,030,136,149.74
  5. Step 5: Solve for x
    x = 129,030,136,149.74/348,717.96
  6. Step 6: Final answer
    x = 370,012.88

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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.