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Finding the Fourth Proportional to 448,496.40, 619,074.99 and 267,265.17

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Solution

The fourth proportional to 448,496.40, 619,074.99 and 267,265.17 is: 368,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,496.40 : 619,074.99 = 267,265.17 : x
  2. Step 2: Convert to fraction form
    448,496.40/619,074.99 = 267,265.17/x
  3. Step 3: Cross multiply
    448,496.40x = 619,074.99 × 267,265.17
  4. Step 4: Simplify right side
    448,496.40x = 165,457,182,445.10
  5. Step 5: Solve for x
    x = 165,457,182,445.10/448,496.40
  6. Step 6: Final answer
    x = 368,915.30

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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.