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Finding the Fourth Proportional to 482,487.01, 665,911.94 and 267,696.28

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Solution

The fourth proportional to 482,487.01, 665,911.94 and 267,696.28 is: 369,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,487.01 : 665,911.94 = 267,696.28 : x
  2. Step 2: Convert to fraction form
    482,487.01/665,911.94 = 267,696.28/x
  3. Step 3: Cross multiply
    482,487.01x = 665,911.94 × 267,696.28
  4. Step 4: Simplify right side
    482,487.01x = 178,262,144,893.74
  5. Step 5: Solve for x
    x = 178,262,144,893.74/482,487.01
  6. Step 6: Final answer
    x = 369,465.17

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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.