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Finding the Fourth Proportional to 515,700.45, 773,709.03 and 246,172.53

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Solution

The fourth proportional to 515,700.45, 773,709.03 and 246,172.53 is: 369,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,700.45 : 773,709.03 = 246,172.53 : x
  2. Step 2: Convert to fraction form
    515,700.45/773,709.03 = 246,172.53/x
  3. Step 3: Cross multiply
    515,700.45x = 773,709.03 × 246,172.53
  4. Step 4: Simplify right side
    515,700.45x = 190,465,909,398.95
  5. Step 5: Solve for x
    x = 190,465,909,398.95/515,700.45
  6. Step 6: Final answer
    x = 369,334.39

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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.