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Finding the Fourth Proportional to 570,769.97, 856,277.66 and 165,969.22

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Solution

The fourth proportional to 570,769.97, 856,277.66 and 165,969.22 is: 248,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,769.97 : 856,277.66 = 165,969.22 : x
  2. Step 2: Convert to fraction form
    570,769.97/856,277.66 = 165,969.22/x
  3. Step 3: Cross multiply
    570,769.97x = 856,277.66 × 165,969.22
  4. Step 4: Simplify right side
    570,769.97x = 142,115,732,985.47
  5. Step 5: Solve for x
    x = 142,115,732,985.47/570,769.97
  6. Step 6: Final answer
    x = 248,989.51

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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.