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Finding the Fourth Proportional to 515,712.96, 773,727.86 and 246,185.06

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Solution

The fourth proportional to 515,712.96, 773,727.86 and 246,185.06 is: 369,353.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,712.96 : 773,727.86 = 246,185.06 : x
  2. Step 2: Convert to fraction form
    515,712.96/773,727.86 = 246,185.06/x
  3. Step 3: Cross multiply
    515,712.96x = 773,727.86 × 246,185.06
  4. Step 4: Simplify right side
    515,712.96x = 190,480,236,384.60
  5. Step 5: Solve for x
    x = 190,480,236,384.60/515,712.96
  6. Step 6: Final answer
    x = 369,353.21

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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.