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Finding the Fourth Proportional to 585,324.73, 807,731.62 and 343,603.45

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Solution

The fourth proportional to 585,324.73, 807,731.62 and 343,603.45 is: 474,163.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,324.73 : 807,731.62 = 343,603.45 : x
  2. Step 2: Convert to fraction form
    585,324.73/807,731.62 = 343,603.45/x
  3. Step 3: Cross multiply
    585,324.73x = 807,731.62 × 343,603.45
  4. Step 4: Simplify right side
    585,324.73x = 277,539,371,306.09
  5. Step 5: Solve for x
    x = 277,539,371,306.09/585,324.73
  6. Step 6: Final answer
    x = 474,163.07

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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.