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Finding the Fourth Proportional to 571,136.66, 856,594.22 and 216,178.37

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Solution

The fourth proportional to 571,136.66, 856,594.22 and 216,178.37 is: 324,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,136.66 : 856,594.22 = 216,178.37 : x
  2. Step 2: Convert to fraction form
    571,136.66/856,594.22 = 216,178.37/x
  3. Step 3: Cross multiply
    571,136.66x = 856,594.22 × 216,178.37
  4. Step 4: Simplify right side
    571,136.66x = 185,177,136,867.16
  5. Step 5: Solve for x
    x = 185,177,136,867.16/571,136.66
  6. Step 6: Final answer
    x = 324,225.62

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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.