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Finding the Fourth Proportional to 493,766.76, 681,398.16 and 267,412.26

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Solution

The fourth proportional to 493,766.76, 681,398.16 and 267,412.26 is: 369,028.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,766.76 : 681,398.16 = 267,412.26 : x
  2. Step 2: Convert to fraction form
    493,766.76/681,398.16 = 267,412.26/x
  3. Step 3: Cross multiply
    493,766.76x = 681,398.16 × 267,412.26
  4. Step 4: Simplify right side
    493,766.76x = 182,214,221,925.44
  5. Step 5: Solve for x
    x = 182,214,221,925.44/493,766.76
  6. Step 6: Final answer
    x = 369,028.94

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1.5x scale

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.