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Finding the Fourth Proportional to 576,470.14, 795,496.68 and 321,837.76

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Solution

The fourth proportional to 576,470.14, 795,496.68 and 321,837.76 is: 444,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,470.14 : 795,496.68 = 321,837.76 : x
  2. Step 2: Convert to fraction form
    576,470.14/795,496.68 = 321,837.76/x
  3. Step 3: Cross multiply
    576,470.14x = 795,496.68 × 321,837.76
  4. Step 4: Simplify right side
    576,470.14x = 256,020,869,578.64
  5. Step 5: Solve for x
    x = 256,020,869,578.64/576,470.14
  6. Step 6: Final answer
    x = 444,118.18

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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.