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Finding the Fourth Proportional to 576,471.14, 795,498.06 and 321,838.76

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Solution

The fourth proportional to 576,471.14, 795,498.06 and 321,838.76 is: 444,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,471.14 : 795,498.06 = 321,838.76 : x
  2. Step 2: Convert to fraction form
    576,471.14/795,498.06 = 321,838.76/x
  3. Step 3: Cross multiply
    576,471.14x = 795,498.06 × 321,838.76
  4. Step 4: Simplify right side
    576,471.14x = 256,022,109,212.81
  5. Step 5: Solve for x
    x = 256,022,109,212.81/576,471.14
  6. Step 6: Final answer
    x = 444,119.56

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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.