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Finding the Fourth Proportional to 400,716.79, 601,296.52 and 223,323.76

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Solution

The fourth proportional to 400,716.79, 601,296.52 and 223,323.76 is: 335,108.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,716.79 : 601,296.52 = 223,323.76 : x
  2. Step 2: Convert to fraction form
    400,716.79/601,296.52 = 223,323.76/x
  3. Step 3: Cross multiply
    400,716.79x = 601,296.52 × 223,323.76
  4. Step 4: Simplify right side
    400,716.79x = 134,283,799,721.32
  5. Step 5: Solve for x
    x = 134,283,799,721.32/400,716.79
  6. Step 6: Final answer
    x = 335,108.99

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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.