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Finding the Fourth Proportional to 448,498.16, 619,077.44 and 267,266.92

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Solution

The fourth proportional to 448,498.16, 619,077.44 and 267,266.92 is: 368,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,498.16 : 619,077.44 = 267,266.92 : x
  2. Step 2: Convert to fraction form
    448,498.16/619,077.44 = 267,266.92/x
  3. Step 3: Cross multiply
    448,498.16x = 619,077.44 × 267,266.92
  4. Step 4: Simplify right side
    448,498.16x = 165,458,920,630.29
  5. Step 5: Solve for x
    x = 165,458,920,630.29/448,498.16
  6. Step 6: Final answer
    x = 368,917.72

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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.