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Finding the Fourth Proportional to 493,893.12, 681,572.52 and 267,538.62

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Solution

The fourth proportional to 493,893.12, 681,572.52 and 267,538.62 is: 369,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,893.12 : 681,572.52 = 267,538.62 : x
  2. Step 2: Convert to fraction form
    493,893.12/681,572.52 = 267,538.62/x
  3. Step 3: Cross multiply
    493,893.12x = 681,572.52 × 267,538.62
  4. Step 4: Simplify right side
    493,893.12x = 182,346,971,430.72
  5. Step 5: Solve for x
    x = 182,346,971,430.72/493,893.12
  6. Step 6: Final answer
    x = 369,203.30

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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.