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Finding the Fourth Proportional to 592,367.23, 816,616.51 and 422,306.11

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Solution

The fourth proportional to 592,367.23, 816,616.51 and 422,306.11 is: 582,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,367.23 : 816,616.51 = 422,306.11 : x
  2. Step 2: Convert to fraction form
    592,367.23/816,616.51 = 422,306.11/x
  3. Step 3: Cross multiply
    592,367.23x = 816,616.51 × 422,306.11
  4. Step 4: Simplify right side
    592,367.23x = 344,862,141,699.88
  5. Step 5: Solve for x
    x = 344,862,141,699.88/592,367.23
  6. Step 6: Final answer
    x = 582,176.27

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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.