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Finding the Fourth Proportional to 448,496.15, 619,074.66 and 267,264.92

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Solution

The fourth proportional to 448,496.15, 619,074.66 and 267,264.92 is: 368,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,496.15 : 619,074.66 = 267,264.92 : x
  2. Step 2: Convert to fraction form
    448,496.15/619,074.66 = 267,264.92/x
  3. Step 3: Cross multiply
    448,496.15x = 619,074.66 × 267,264.92
  4. Step 4: Simplify right side
    448,496.15x = 165,456,939,478.93
  5. Step 5: Solve for x
    x = 165,456,939,478.93/448,496.15
  6. Step 6: Final answer
    x = 368,914.96

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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.