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Finding the Fourth Proportional to 443,994.13, 666,365.52 and 174,311.68

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Solution

The fourth proportional to 443,994.13, 666,365.52 and 174,311.68 is: 261,614.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,994.13 : 666,365.52 = 174,311.68 : x
  2. Step 2: Convert to fraction form
    443,994.13/666,365.52 = 174,311.68/x
  3. Step 3: Cross multiply
    443,994.13x = 666,365.52 × 174,311.68
  4. Step 4: Simplify right side
    443,994.13x = 116,155,296,088.57
  5. Step 5: Solve for x
    x = 116,155,296,088.57/443,994.13
  6. Step 6: Final answer
    x = 261,614.48

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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.