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Finding the Fourth Proportional to 609,099.86, 914,547.97 and 339,754.25

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Solution

The fourth proportional to 609,099.86, 914,547.97 and 339,754.25 is: 510,132.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,099.86 : 914,547.97 = 339,754.25 : x
  2. Step 2: Convert to fraction form
    609,099.86/914,547.97 = 339,754.25/x
  3. Step 3: Cross multiply
    609,099.86x = 914,547.97 × 339,754.25
  4. Step 4: Simplify right side
    609,099.86x = 310,721,560,035.63
  5. Step 5: Solve for x
    x = 310,721,560,035.63/609,099.86
  6. Step 6: Final answer
    x = 510,132.37

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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.