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Finding the Fourth Proportional to 482,083.22, 665,264.26 and 267,221.40

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Solution

The fourth proportional to 482,083.22, 665,264.26 and 267,221.40 is: 368,759.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,083.22 : 665,264.26 = 267,221.40 : x
  2. Step 2: Convert to fraction form
    482,083.22/665,264.26 = 267,221.40/x
  3. Step 3: Cross multiply
    482,083.22x = 665,264.26 × 267,221.40
  4. Step 4: Simplify right side
    482,083.22x = 177,772,846,927.16
  5. Step 5: Solve for x
    x = 177,772,846,927.16/482,083.22
  6. Step 6: Final answer
    x = 368,759.67

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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.