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Finding the Fourth Proportional to 482,068.56, 665,259.36 and 267,212.16

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Solution

The fourth proportional to 482,068.56, 665,259.36 and 267,212.16 is: 368,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,068.56 : 665,259.36 = 267,212.16 : x
  2. Step 2: Convert to fraction form
    482,068.56/665,259.36 = 267,212.16/x
  3. Step 3: Cross multiply
    482,068.56x = 665,259.36 × 267,212.16
  4. Step 4: Simplify right side
    482,068.56x = 177,765,390,545.82
  5. Step 5: Solve for x
    x = 177,765,390,545.82/482,068.56
  6. Step 6: Final answer
    x = 368,755.41

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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.