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Finding the Fourth Proportional to 576,121.53, 795,422.22 and 515,588.11

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Solution

The fourth proportional to 576,121.53, 795,422.22 and 515,588.11 is: 711,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,121.53 : 795,422.22 = 515,588.11 : x
  2. Step 2: Convert to fraction form
    576,121.53/795,422.22 = 515,588.11/x
  3. Step 3: Cross multiply
    576,121.53x = 795,422.22 × 515,588.11
  4. Step 4: Simplify right side
    576,121.53x = 410,110,239,061.80
  5. Step 5: Solve for x
    x = 410,110,239,061.80/576,121.53
  6. Step 6: Final answer
    x = 711,846.75

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1.5x scale

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.