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Finding the Fourth Proportional to 482,571.07, 665,948.86 and 267,711.14

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Solution

The fourth proportional to 482,571.07, 665,948.86 and 267,711.14 is: 369,441.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,571.07 : 665,948.86 = 267,711.14 : x
  2. Step 2: Convert to fraction form
    482,571.07/665,948.86 = 267,711.14/x
  3. Step 3: Cross multiply
    482,571.07x = 665,948.86 × 267,711.14
  4. Step 4: Simplify right side
    482,571.07x = 178,281,928,492.30
  5. Step 5: Solve for x
    x = 178,281,928,492.30/482,571.07
  6. Step 6: Final answer
    x = 369,441.81

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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.