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Finding the Fourth Proportional to 590,503.01, 814,920.10 and 332,396.61

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Solution

The fourth proportional to 590,503.01, 814,920.10 and 332,396.61 is: 458,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,503.01 : 814,920.10 = 332,396.61 : x
  2. Step 2: Convert to fraction form
    590,503.01/814,920.10 = 332,396.61/x
  3. Step 3: Cross multiply
    590,503.01x = 814,920.10 × 332,396.61
  4. Step 4: Simplify right side
    590,503.01x = 270,876,676,998.88
  5. Step 5: Solve for x
    x = 270,876,676,998.88/590,503.01
  6. Step 6: Final answer
    x = 458,721.93

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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.