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Finding the Fourth Proportional to 481,920.96, 665,054.64 and 267,064.50

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Solution

The fourth proportional to 481,920.96, 665,054.64 and 267,064.50 is: 368,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,920.96 : 665,054.64 = 267,064.50 : x
  2. Step 2: Convert to fraction form
    481,920.96/665,054.64 = 267,064.50/x
  3. Step 3: Cross multiply
    481,920.96x = 665,054.64 × 267,064.50
  4. Step 4: Simplify right side
    481,920.96x = 177,612,484,904.28
  5. Step 5: Solve for x
    x = 177,612,484,904.28/481,920.96
  6. Step 6: Final answer
    x = 368,551.07

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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.