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Finding the Fourth Proportional to 262,227.70, 361,743.21 and 165,551.36

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Solution

The fourth proportional to 262,227.70, 361,743.21 and 165,551.36 is: 228,378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,227.70 : 361,743.21 = 165,551.36 : x
  2. Step 2: Convert to fraction form
    262,227.70/361,743.21 = 165,551.36/x
  3. Step 3: Cross multiply
    262,227.70x = 361,743.21 × 165,551.36
  4. Step 4: Simplify right side
    262,227.70x = 59,887,080,386.27
  5. Step 5: Solve for x
    x = 59,887,080,386.27/262,227.70
  6. Step 6: Final answer
    x = 228,378.16

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1.5x scale

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.