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Finding the Fourth Proportional to 493,459.26, 740,078.17 and 226,963.74

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Solution

The fourth proportional to 493,459.26, 740,078.17 and 226,963.74 is: 340,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,459.26 : 740,078.17 = 226,963.74 : x
  2. Step 2: Convert to fraction form
    493,459.26/740,078.17 = 226,963.74/x
  3. Step 3: Cross multiply
    493,459.26x = 740,078.17 × 226,963.74
  4. Step 4: Simplify right side
    493,459.26x = 167,970,909,355.56
  5. Step 5: Solve for x
    x = 167,970,909,355.56/493,459.26
  6. Step 6: Final answer
    x = 340,394.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.