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Finding the Fourth Proportional to 548,216.24, 822,635.40 and 216,025.52

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Solution

The fourth proportional to 548,216.24, 822,635.40 and 216,025.52 is: 324,160.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,216.24 : 822,635.40 = 216,025.52 : x
  2. Step 2: Convert to fraction form
    548,216.24/822,635.40 = 216,025.52/x
  3. Step 3: Cross multiply
    548,216.24x = 822,635.40 × 216,025.52
  4. Step 4: Simplify right side
    548,216.24x = 177,710,240,055.41
  5. Step 5: Solve for x
    x = 177,710,240,055.41/548,216.24
  6. Step 6: Final answer
    x = 324,160.85

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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.