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Finding the Fourth Proportional to 579,539.70, 869,309.55 and 366,963.30

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Solution

The fourth proportional to 579,539.70, 869,309.55 and 366,963.30 is: 550,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,539.70 : 869,309.55 = 366,963.30 : x
  2. Step 2: Convert to fraction form
    579,539.70/869,309.55 = 366,963.30/x
  3. Step 3: Cross multiply
    579,539.70x = 869,309.55 × 366,963.30
  4. Step 4: Simplify right side
    579,539.70x = 319,004,701,189.52
  5. Step 5: Solve for x
    x = 319,004,701,189.52/579,539.70
  6. Step 6: Final answer
    x = 550,444.95

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.