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Finding the Fourth Proportional to 400,668.52, 600,116.70 and 274,008.52

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Solution

The fourth proportional to 400,668.52, 600,116.70 and 274,008.52 is: 410,406.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,668.52 : 600,116.70 = 274,008.52 : x
  2. Step 2: Convert to fraction form
    400,668.52/600,116.70 = 274,008.52/x
  3. Step 3: Cross multiply
    400,668.52x = 600,116.70 × 274,008.52
  4. Step 4: Simplify right side
    400,668.52x = 164,437,088,794.28
  5. Step 5: Solve for x
    x = 164,437,088,794.28/400,668.52
  6. Step 6: Final answer
    x = 410,406.81

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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.