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Finding the Fourth Proportional to 582,118.90, 873,323.64 and 203,045.09

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Solution

The fourth proportional to 582,118.90, 873,323.64 and 203,045.09 is: 304,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,118.90 : 873,323.64 = 203,045.09 : x
  2. Step 2: Convert to fraction form
    582,118.90/873,323.64 = 203,045.09/x
  3. Step 3: Cross multiply
    582,118.90x = 873,323.64 × 203,045.09
  4. Step 4: Simplify right side
    582,118.90x = 177,324,077,082.93
  5. Step 5: Solve for x
    x = 177,324,077,082.93/582,118.90
  6. Step 6: Final answer
    x = 304,618.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.