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Finding the Fourth Proportional to 260,784.99, 359,529.94 and 222,950.97

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Solution

The fourth proportional to 260,784.99, 359,529.94 and 222,950.97 is: 307,370.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,784.99 : 359,529.94 = 222,950.97 : x
  2. Step 2: Convert to fraction form
    260,784.99/359,529.94 = 222,950.97/x
  3. Step 3: Cross multiply
    260,784.99x = 359,529.94 × 222,950.97
  4. Step 4: Simplify right side
    260,784.99x = 80,157,549,145.73
  5. Step 5: Solve for x
    x = 80,157,549,145.73/260,784.99
  6. Step 6: Final answer
    x = 307,370.26

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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.