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Finding the Fourth Proportional to 262,725.58, 392,648.85 and 191,797.58

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Solution

The fourth proportional to 262,725.58, 392,648.85 and 191,797.58 is: 286,645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,725.58 : 392,648.85 = 191,797.58 : x
  2. Step 2: Convert to fraction form
    262,725.58/392,648.85 = 191,797.58/x
  3. Step 3: Cross multiply
    262,725.58x = 392,648.85 × 191,797.58
  4. Step 4: Simplify right side
    262,725.58x = 75,309,100,201.41
  5. Step 5: Solve for x
    x = 75,309,100,201.41/262,725.58
  6. Step 6: Final answer
    x = 286,645.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.