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Finding the Fourth Proportional to 493,566.72, 681,122.28 and 267,212.16

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Solution

The fourth proportional to 493,566.72, 681,122.28 and 267,212.16 is: 368,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,566.72 : 681,122.28 = 267,212.16 : x
  2. Step 2: Convert to fraction form
    493,566.72/681,122.28 = 267,212.16/x
  3. Step 3: Cross multiply
    493,566.72x = 681,122.28 × 267,212.16
  4. Step 4: Simplify right side
    493,566.72x = 182,004,155,662.93
  5. Step 5: Solve for x
    x = 182,004,155,662.93/493,566.72
  6. Step 6: Final answer
    x = 368,752.89

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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.