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Finding the Fourth Proportional to 461,194.30, 636,420.72 and 267,587.01

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Solution

The fourth proportional to 461,194.30, 636,420.72 and 267,587.01 is: 369,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,194.30 : 636,420.72 = 267,587.01 : x
  2. Step 2: Convert to fraction form
    461,194.30/636,420.72 = 267,587.01/x
  3. Step 3: Cross multiply
    461,194.30x = 636,420.72 × 267,587.01
  4. Step 4: Simplify right side
    461,194.30x = 170,297,917,566.85
  5. Step 5: Solve for x
    x = 170,297,917,566.85/461,194.30
  6. Step 6: Final answer
    x = 369,254.17

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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.