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Finding the Fourth Proportional to 515,701.09, 773,710.00 and 246,173.16

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Solution

The fourth proportional to 515,701.09, 773,710.00 and 246,173.16 is: 369,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,701.09 : 773,710.00 = 246,173.16 : x
  2. Step 2: Convert to fraction form
    515,701.09/773,710.00 = 246,173.16/x
  3. Step 3: Cross multiply
    515,701.09x = 773,710.00 × 246,173.16
  4. Step 4: Simplify right side
    515,701.09x = 190,466,633,073.89
  5. Step 5: Solve for x
    x = 190,466,633,073.89/515,701.09
  6. Step 6: Final answer
    x = 369,335.34

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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.