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Finding the Fourth Proportional to 265,772.66, 366,468.30 and 217,223.90

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Solution

The fourth proportional to 265,772.66, 366,468.30 and 217,223.90 is: 299,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,772.66 : 366,468.30 = 217,223.90 : x
  2. Step 2: Convert to fraction form
    265,772.66/366,468.30 = 217,223.90/x
  3. Step 3: Cross multiply
    265,772.66x = 366,468.30 × 217,223.90
  4. Step 4: Simplify right side
    265,772.66x = 79,605,673,352.37
  5. Step 5: Solve for x
    x = 79,605,673,352.37/265,772.66
  6. Step 6: Final answer
    x = 299,525.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.