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Finding the Fourth Proportional to 448,607.40, 619,007.16 and 267,314.80

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Solution

The fourth proportional to 448,607.40, 619,007.16 and 267,314.80 is: 368,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,607.40 : 619,007.16 = 267,314.80 : x
  2. Step 2: Convert to fraction form
    448,607.40/619,007.16 = 267,314.80/x
  3. Step 3: Cross multiply
    448,607.40x = 619,007.16 × 267,314.80
  4. Step 4: Simplify right side
    448,607.40x = 165,469,775,173.97
  5. Step 5: Solve for x
    x = 165,469,775,173.97/448,607.40
  6. Step 6: Final answer
    x = 368,852.09

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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.