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Finding the Fourth Proportional to 576,122.04, 795,422.91 and 515,588.61

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Solution

The fourth proportional to 576,122.04, 795,422.91 and 515,588.61 is: 711,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,122.04 : 795,422.91 = 515,588.61 : x
  2. Step 2: Convert to fraction form
    576,122.04/795,422.91 = 515,588.61/x
  3. Step 3: Cross multiply
    576,122.04x = 795,422.91 × 515,588.61
  4. Step 4: Simplify right side
    576,122.04x = 410,110,992,529.06
  5. Step 5: Solve for x
    x = 410,110,992,529.06/576,122.04
  6. Step 6: Final answer
    x = 711,847.43

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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.