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Finding the Fourth Proportional to 262,197.68, 393,296.92 and 112,340.79

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Solution

The fourth proportional to 262,197.68, 393,296.92 and 112,340.79 is: 168,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,197.68 : 393,296.92 = 112,340.79 : x
  2. Step 2: Convert to fraction form
    262,197.68/393,296.92 = 112,340.79/x
  3. Step 3: Cross multiply
    262,197.68x = 393,296.92 × 112,340.79
  4. Step 4: Simplify right side
    262,197.68x = 44,183,286,416.51
  5. Step 5: Solve for x
    x = 44,183,286,416.51/262,197.68
  6. Step 6: Final answer
    x = 168,511.36

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1.5x scale

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.