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Finding the Fourth Proportional to 580,296.53, 800,603.92 and 379,209.17

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Solution

The fourth proportional to 580,296.53, 800,603.92 and 379,209.17 is: 523,174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,296.53 : 800,603.92 = 379,209.17 : x
  2. Step 2: Convert to fraction form
    580,296.53/800,603.92 = 379,209.17/x
  3. Step 3: Cross multiply
    580,296.53x = 800,603.92 × 379,209.17
  4. Step 4: Simplify right side
    580,296.53x = 303,596,348,001.95
  5. Step 5: Solve for x
    x = 303,596,348,001.95/580,296.53
  6. Step 6: Final answer
    x = 523,174.50

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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.