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Finding the Fourth Proportional to 260,922.79, 360,067.36 and 153,499.74

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Solution

The fourth proportional to 260,922.79, 360,067.36 and 153,499.74 is: 211,826.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,922.79 : 360,067.36 = 153,499.74 : x
  2. Step 2: Convert to fraction form
    260,922.79/360,067.36 = 153,499.74/x
  3. Step 3: Cross multiply
    260,922.79x = 360,067.36 × 153,499.74
  4. Step 4: Simplify right side
    260,922.79x = 55,270,245,758.74
  5. Step 5: Solve for x
    x = 55,270,245,758.74/260,922.79
  6. Step 6: Final answer
    x = 211,826.06

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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.