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Finding the Fourth Proportional to 448,500.16, 619,080.20 and 267,268.92

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Solution

The fourth proportional to 448,500.16, 619,080.20 and 267,268.92 is: 368,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,500.16 : 619,080.20 = 267,268.92 : x
  2. Step 2: Convert to fraction form
    448,500.16/619,080.20 = 267,268.92/x
  3. Step 3: Cross multiply
    448,500.16x = 619,080.20 × 267,268.92
  4. Step 4: Simplify right side
    448,500.16x = 165,460,896,447.38
  5. Step 5: Solve for x
    x = 165,460,896,447.38/448,500.16
  6. Step 6: Final answer
    x = 368,920.48

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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.