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Finding the Fourth Proportional to 293,620.30, 440,424.52 and 93,940.68

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Solution

The fourth proportional to 293,620.30, 440,424.52 and 93,940.68 is: 140,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,620.30 : 440,424.52 = 93,940.68 : x
  2. Step 2: Convert to fraction form
    293,620.30/440,424.52 = 93,940.68/x
  3. Step 3: Cross multiply
    293,620.30x = 440,424.52 × 93,940.68
  4. Step 4: Simplify right side
    293,620.30x = 41,373,778,897.47
  5. Step 5: Solve for x
    x = 41,373,778,897.47/293,620.30
  6. Step 6: Final answer
    x = 140,909.12

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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.