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Finding the Fourth Proportional to 571,781.93, 789,099.05 and 326,802.74

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Solution

The fourth proportional to 571,781.93, 789,099.05 and 326,802.74 is: 451,010.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,781.93 : 789,099.05 = 326,802.74 : x
  2. Step 2: Convert to fraction form
    571,781.93/789,099.05 = 326,802.74/x
  3. Step 3: Cross multiply
    571,781.93x = 789,099.05 × 326,802.74
  4. Step 4: Simplify right side
    571,781.93x = 257,879,730,037.38
  5. Step 5: Solve for x
    x = 257,879,730,037.38/571,781.93
  6. Step 6: Final answer
    x = 451,010.63

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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.