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Finding the Fourth Proportional to 582,644.26, 804,089.48 and 353,211.21

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Solution

The fourth proportional to 582,644.26, 804,089.48 and 353,211.21 is: 487,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,644.26 : 804,089.48 = 353,211.21 : x
  2. Step 2: Convert to fraction form
    582,644.26/804,089.48 = 353,211.21/x
  3. Step 3: Cross multiply
    582,644.26x = 804,089.48 × 353,211.21
  4. Step 4: Simplify right side
    582,644.26x = 284,013,418,399.83
  5. Step 5: Solve for x
    x = 284,013,418,399.83/582,644.26
  6. Step 6: Final answer
    x = 487,455.97

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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.