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Finding the Fourth Proportional to 259,682.81, 358,524.36 and 199,136.93

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Solution

The fourth proportional to 259,682.81, 358,524.36 and 199,136.93 is: 274,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,682.81 : 358,524.36 = 199,136.93 : x
  2. Step 2: Convert to fraction form
    259,682.81/358,524.36 = 199,136.93/x
  3. Step 3: Cross multiply
    259,682.81x = 358,524.36 × 199,136.93
  4. Step 4: Simplify right side
    259,682.81x = 71,395,438,587.99
  5. Step 5: Solve for x
    x = 71,395,438,587.99/259,682.81
  6. Step 6: Final answer
    x = 274,933.25

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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.