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Finding the Fourth Proportional to 582,153.90, 803,315.25 and 327,499.62

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Solution

The fourth proportional to 582,153.90, 803,315.25 and 327,499.62 is: 451,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,153.90 : 803,315.25 = 327,499.62 : x
  2. Step 2: Convert to fraction form
    582,153.90/803,315.25 = 327,499.62/x
  3. Step 3: Cross multiply
    582,153.90x = 803,315.25 × 327,499.62
  4. Step 4: Simplify right side
    582,153.90x = 263,085,439,115.21
  5. Step 5: Solve for x
    x = 263,085,439,115.21/582,153.90
  6. Step 6: Final answer
    x = 451,917.34

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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.