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Finding the Fourth Proportional to 571,137.66, 856,595.71 and 216,179.37

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Solution

The fourth proportional to 571,137.66, 856,595.71 and 216,179.37 is: 324,227.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,137.66 : 856,595.71 = 216,179.37 : x
  2. Step 2: Convert to fraction form
    571,137.66/856,595.71 = 216,179.37/x
  3. Step 3: Cross multiply
    571,137.66x = 856,595.71 × 216,179.37
  4. Step 4: Simplify right side
    571,137.66x = 185,178,320,932.50
  5. Step 5: Solve for x
    x = 185,178,320,932.50/571,137.66
  6. Step 6: Final answer
    x = 324,227.12

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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.