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Finding the Fourth Proportional to 529,422.88, 730,773.84 and 338,949.28

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Solution

The fourth proportional to 529,422.88, 730,773.84 and 338,949.28 is: 467,859.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,422.88 : 730,773.84 = 338,949.28 : x
  2. Step 2: Convert to fraction form
    529,422.88/730,773.84 = 338,949.28/x
  3. Step 3: Cross multiply
    529,422.88x = 730,773.84 × 338,949.28
  4. Step 4: Simplify right side
    529,422.88x = 247,695,266,910.84
  5. Step 5: Solve for x
    x = 247,695,266,910.84/529,422.88
  6. Step 6: Final answer
    x = 467,859.01

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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.