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Finding the Fourth Proportional to 571,202.66, 856,924.28 and 216,208.82

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Solution

The fourth proportional to 571,202.66, 856,924.28 and 216,208.82 is: 324,358.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,202.66 : 856,924.28 = 216,208.82 : x
  2. Step 2: Convert to fraction form
    571,202.66/856,924.28 = 216,208.82/x
  3. Step 3: Cross multiply
    571,202.66x = 856,924.28 × 216,208.82
  4. Step 4: Simplify right side
    571,202.66x = 185,274,587,408.15
  5. Step 5: Solve for x
    x = 185,274,587,408.15/571,202.66
  6. Step 6: Final answer
    x = 324,358.76

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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.