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Finding the Fourth Proportional to 493,963.85, 681,670.80 and 267,609.35

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Solution

The fourth proportional to 493,963.85, 681,670.80 and 267,609.35 is: 369,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,963.85 : 681,670.80 = 267,609.35 : x
  2. Step 2: Convert to fraction form
    493,963.85/681,670.80 = 267,609.35/x
  3. Step 3: Cross multiply
    493,963.85x = 681,670.80 × 267,609.35
  4. Step 4: Simplify right side
    493,963.85x = 182,421,476,293.63
  5. Step 5: Solve for x
    x = 182,421,476,293.63/493,963.85
  6. Step 6: Final answer
    x = 369,301.27

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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.