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Finding the Fourth Proportional to 482,699.46, 666,129.84 and 267,859.52

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Solution

The fourth proportional to 482,699.46, 666,129.84 and 267,859.52 is: 369,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,699.46 : 666,129.84 = 267,859.52 : x
  2. Step 2: Convert to fraction form
    482,699.46/666,129.84 = 267,859.52/x
  3. Step 3: Cross multiply
    482,699.46x = 666,129.84 × 267,859.52
  4. Step 4: Simplify right side
    482,699.46x = 178,429,219,200.08
  5. Step 5: Solve for x
    x = 178,429,219,200.08/482,699.46
  6. Step 6: Final answer
    x = 369,648.68

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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.