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Finding the Fourth Proportional to 576,320.04, 795,289.28 and 321,687.62

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Solution

The fourth proportional to 576,320.04, 795,289.28 and 321,687.62 is: 443,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,320.04 : 795,289.28 = 321,687.62 : x
  2. Step 2: Convert to fraction form
    576,320.04/795,289.28 = 321,687.62/x
  3. Step 3: Cross multiply
    576,320.04x = 795,289.28 × 321,687.62
  4. Step 4: Simplify right side
    576,320.04x = 255,834,715,694.71
  5. Step 5: Solve for x
    x = 255,834,715,694.71/576,320.04
  6. Step 6: Final answer
    x = 443,910.84

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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.