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Finding the Fourth Proportional to 580,348.78, 800,959.53 and 325,713.94

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Solution

The fourth proportional to 580,348.78, 800,959.53 and 325,713.94 is: 449,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,348.78 : 800,959.53 = 325,713.94 : x
  2. Step 2: Convert to fraction form
    580,348.78/800,959.53 = 325,713.94/x
  3. Step 3: Cross multiply
    580,348.78x = 800,959.53 × 325,713.94
  4. Step 4: Simplify right side
    580,348.78x = 260,883,684,296.85
  5. Step 5: Solve for x
    x = 260,883,684,296.85/580,348.78
  6. Step 6: Final answer
    x = 449,529.13

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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.