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Finding the Fourth Proportional to 482,021.35, 665,177.94 and 267,156.81

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Solution

The fourth proportional to 482,021.35, 665,177.94 and 267,156.81 is: 368,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,021.35 : 665,177.94 = 267,156.81 : x
  2. Step 2: Convert to fraction form
    482,021.35/665,177.94 = 267,156.81/x
  3. Step 3: Cross multiply
    482,021.35x = 665,177.94 × 267,156.81
  4. Step 4: Simplify right side
    482,021.35x = 177,706,816,532.77
  5. Step 5: Solve for x
    x = 177,706,816,532.77/482,021.35
  6. Step 6: Final answer
    x = 368,670.01

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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.