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Finding the Fourth Proportional to 460,910.42, 636,062 and 267,362.94

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Solution

The fourth proportional to 460,910.42, 636,062 and 267,362.94 is: 368,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,910.42 : 636,062 = 267,362.94 : x
  2. Step 2: Convert to fraction form
    460,910.42/636,062 = 267,362.94/x
  3. Step 3: Cross multiply
    460,910.42x = 636,062 × 267,362.94
  4. Step 4: Simplify right side
    460,910.42x = 170,059,406,342.28
  5. Step 5: Solve for x
    x = 170,059,406,342.28/460,910.42
  6. Step 6: Final answer
    x = 368,964.12

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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.