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Finding the Fourth Proportional to 582,458.17, 803,659.29 and 327,716.41

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Solution

The fourth proportional to 582,458.17, 803,659.29 and 327,716.41 is: 452,173.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,458.17 : 803,659.29 = 327,716.41 : x
  2. Step 2: Convert to fraction form
    582,458.17/803,659.29 = 327,716.41/x
  3. Step 3: Cross multiply
    582,458.17x = 803,659.29 × 327,716.41
  4. Step 4: Simplify right side
    582,458.17x = 263,372,337,381.95
  5. Step 5: Solve for x
    x = 263,372,337,381.95/582,458.17
  6. Step 6: Final answer
    x = 452,173.82

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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.