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Finding the Fourth Proportional to 576,131.95, 794,943.37 and 331,069.38

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Solution

The fourth proportional to 576,131.95, 794,943.37 and 331,069.38 is: 456,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,131.95 : 794,943.37 = 331,069.38 : x
  2. Step 2: Convert to fraction form
    576,131.95/794,943.37 = 331,069.38/x
  3. Step 3: Cross multiply
    576,131.95x = 794,943.37 × 331,069.38
  4. Step 4: Simplify right side
    576,131.95x = 263,181,408,641.01
  5. Step 5: Solve for x
    x = 263,181,408,641.01/576,131.95
  6. Step 6: Final answer
    x = 456,807.52

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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.