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Finding the Fourth Proportional to 482,631.42, 666,110.84 and 267,840.68

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Solution

The fourth proportional to 482,631.42, 666,110.84 and 267,840.68 is: 369,664.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,631.42 : 666,110.84 = 267,840.68 : x
  2. Step 2: Convert to fraction form
    482,631.42/666,110.84 = 267,840.68/x
  3. Step 3: Cross multiply
    482,631.42x = 666,110.84 × 267,840.68
  4. Step 4: Simplify right side
    482,631.42x = 178,411,580,340.97
  5. Step 5: Solve for x
    x = 178,411,580,340.97/482,631.42
  6. Step 6: Final answer
    x = 369,664.25

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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.