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Finding the Fourth Proportional to 482,019.84, 665,169.12 and 267,154.56

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Solution

The fourth proportional to 482,019.84, 665,169.12 and 267,154.56 is: 368,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,019.84 : 665,169.12 = 267,154.56 : x
  2. Step 2: Convert to fraction form
    482,019.84/665,169.12 = 267,154.56/x
  3. Step 3: Cross multiply
    482,019.84x = 665,169.12 × 267,154.56
  4. Step 4: Simplify right side
    482,019.84x = 177,702,963,579.19
  5. Step 5: Solve for x
    x = 177,702,963,579.19/482,019.84
  6. Step 6: Final answer
    x = 368,663.17

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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.