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Finding the Fourth Proportional to 319,358.40, 440,694.50 and 183,296.64

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Solution

The fourth proportional to 319,358.40, 440,694.50 and 183,296.64 is: 252,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,358.40 : 440,694.50 = 183,296.64 : x
  2. Step 2: Convert to fraction form
    319,358.40/440,694.50 = 183,296.64/x
  3. Step 3: Cross multiply
    319,358.40x = 440,694.50 × 183,296.64
  4. Step 4: Simplify right side
    319,358.40x = 80,777,821,116.48
  5. Step 5: Solve for x
    x = 80,777,821,116.48/319,358.40
  6. Step 6: Final answer
    x = 252,937.83

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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.