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Finding the Fourth Proportional to 299,145.60, 448,426.80 and 267,652.80

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Solution

The fourth proportional to 299,145.60, 448,426.80 and 267,652.80 is: 401,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,145.60 : 448,426.80 = 267,652.80 : x
  2. Step 2: Convert to fraction form
    299,145.60/448,426.80 = 267,652.80/x
  3. Step 3: Cross multiply
    299,145.60x = 448,426.80 × 267,652.80
  4. Step 4: Simplify right side
    299,145.60x = 120,022,688,615.04
  5. Step 5: Solve for x
    x = 120,022,688,615.04/299,145.60
  6. Step 6: Final answer
    x = 401,218.30

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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.