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Finding the Fourth Proportional to 578,306.66, 797,967.96 and 363,294.44

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Solution

The fourth proportional to 578,306.66, 797,967.96 and 363,294.44 is: 501,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,306.66 : 797,967.96 = 363,294.44 : x
  2. Step 2: Convert to fraction form
    578,306.66/797,967.96 = 363,294.44/x
  3. Step 3: Cross multiply
    578,306.66x = 797,967.96 × 363,294.44
  4. Step 4: Simplify right side
    578,306.66x = 289,897,323,166.14
  5. Step 5: Solve for x
    x = 289,897,323,166.14/578,306.66
  6. Step 6: Final answer
    x = 501,286.50

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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.