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Finding the Fourth Proportional to 482,385.36, 665,732.69 and 267,594.63

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Solution

The fourth proportional to 482,385.36, 665,732.69 and 267,594.63 is: 369,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,385.36 : 665,732.69 = 267,594.63 : x
  2. Step 2: Convert to fraction form
    482,385.36/665,732.69 = 267,594.63/x
  3. Step 3: Cross multiply
    482,385.36x = 665,732.69 × 267,594.63
  4. Step 4: Simplify right side
    482,385.36x = 178,146,492,859.46
  5. Step 5: Solve for x
    x = 178,146,492,859.46/482,385.36
  6. Step 6: Final answer
    x = 369,303.27

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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.