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Finding the Fourth Proportional to 582,353.30, 803,647.20 and 327,704.72

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Solution

The fourth proportional to 582,353.30, 803,647.20 and 327,704.72 is: 452,232.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,353.30 : 803,647.20 = 327,704.72 : x
  2. Step 2: Convert to fraction form
    582,353.30/803,647.20 = 327,704.72/x
  3. Step 3: Cross multiply
    582,353.30x = 803,647.20 × 327,704.72
  4. Step 4: Simplify right side
    582,353.30x = 263,358,980,654.78
  5. Step 5: Solve for x
    x = 263,358,980,654.78/582,353.30
  6. Step 6: Final answer
    x = 452,232.31

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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.