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Finding the Fourth Proportional to 515,708.82, 773,721.66 and 246,180.96

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Solution

The fourth proportional to 515,708.82, 773,721.66 and 246,180.96 is: 369,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,708.82 : 773,721.66 = 246,180.96 : x
  2. Step 2: Convert to fraction form
    515,708.82/773,721.66 = 246,180.96/x
  3. Step 3: Cross multiply
    515,708.82x = 773,721.66 × 246,180.96
  4. Step 4: Simplify right side
    515,708.82x = 190,475,541,031.59
  5. Step 5: Solve for x
    x = 190,475,541,031.59/515,708.82
  6. Step 6: Final answer
    x = 369,347.07

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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.