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Finding the Fourth Proportional to 515,700.32, 773,708.83 and 246,172.39

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Solution

The fourth proportional to 515,700.32, 773,708.83 and 246,172.39 is: 369,334.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,700.32 : 773,708.83 = 246,172.39 : x
  2. Step 2: Convert to fraction form
    515,700.32/773,708.83 = 246,172.39/x
  3. Step 3: Cross multiply
    515,700.32x = 773,708.83 × 246,172.39
  4. Step 4: Simplify right side
    515,700.32x = 190,465,749,295.50
  5. Step 5: Solve for x
    x = 190,465,749,295.50/515,700.32
  6. Step 6: Final answer
    x = 369,334.17

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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.