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Finding the Fourth Proportional to 267,240.80, 400,861.20 and 249,615.20

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Solution

The fourth proportional to 267,240.80, 400,861.20 and 249,615.20 is: 374,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,240.80 : 400,861.20 = 249,615.20 : x
  2. Step 2: Convert to fraction form
    267,240.80/400,861.20 = 249,615.20/x
  3. Step 3: Cross multiply
    267,240.80x = 400,861.20 × 249,615.20
  4. Step 4: Simplify right side
    267,240.80x = 100,061,048,610.24
  5. Step 5: Solve for x
    x = 100,061,048,610.24/267,240.80
  6. Step 6: Final answer
    x = 374,422.80

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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.