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Finding the Fourth Proportional to 571,800.51, 857,372.61 and 216,587.97

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Solution

The fourth proportional to 571,800.51, 857,372.61 and 216,587.97 is: 324,757.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,800.51 : 857,372.61 = 216,587.97 : x
  2. Step 2: Convert to fraction form
    571,800.51/857,372.61 = 216,587.97/x
  3. Step 3: Cross multiply
    571,800.51x = 857,372.61 × 216,587.97
  4. Step 4: Simplify right side
    571,800.51x = 185,696,593,133.50
  5. Step 5: Solve for x
    x = 185,696,593,133.50/571,800.51
  6. Step 6: Final answer
    x = 324,757.66

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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.