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Finding the Fourth Proportional to 962,605.07, 1,327,978.01 and 580,419.53

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Solution

The fourth proportional to 962,605.07, 1,327,978.01 and 580,419.53 is: 800,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,605.07 : 1,327,978.01 = 580,419.53 : x
  2. Step 2: Convert to fraction form
    962,605.07/1,327,978.01 = 580,419.53/x
  3. Step 3: Cross multiply
    962,605.07x = 1,327,978.01 × 580,419.53
  4. Step 4: Simplify right side
    962,605.07x = 770,784,368,940.75
  5. Step 5: Solve for x
    x = 770,784,368,940.75/962,605.07
  6. Step 6: Final answer
    x = 800,727.52

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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.