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Finding the Fourth Proportional to 572,548.77, 862,844.47 and 515,694.06

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Solution

The fourth proportional to 572,548.77, 862,844.47 and 515,694.06 is: 777,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,548.77 : 862,844.47 = 515,694.06 : x
  2. Step 2: Convert to fraction form
    572,548.77/862,844.47 = 515,694.06/x
  3. Step 3: Cross multiply
    572,548.77x = 862,844.47 × 515,694.06
  4. Step 4: Simplify right side
    572,548.77x = 444,963,766,593.61
  5. Step 5: Solve for x
    x = 444,963,766,593.61/572,548.77
  6. Step 6: Final answer
    x = 777,163.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.