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Finding the Fourth Proportional to 482,569.26, 665,946.36 and 267,709.32

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Solution

The fourth proportional to 482,569.26, 665,946.36 and 267,709.32 is: 369,439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,569.26 : 665,946.36 = 267,709.32 : x
  2. Step 2: Convert to fraction form
    482,569.26/665,946.36 = 267,709.32/x
  3. Step 3: Cross multiply
    482,569.26x = 665,946.36 × 267,709.32
  4. Step 4: Simplify right side
    482,569.26x = 178,280,047,192.08
  5. Step 5: Solve for x
    x = 178,280,047,192.08/482,569.26
  6. Step 6: Final answer
    x = 369,439.29

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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.