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Finding the Fourth Proportional to 287,651.00, 397,143.26 and 185,722.22

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Solution

The fourth proportional to 287,651.00, 397,143.26 and 185,722.22 is: 256,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,651.00 : 397,143.26 = 185,722.22 : x
  2. Step 2: Convert to fraction form
    287,651.00/397,143.26 = 185,722.22/x
  3. Step 3: Cross multiply
    287,651.00x = 397,143.26 × 185,722.22
  4. Step 4: Simplify right side
    287,651.00x = 73,758,324,990.91
  5. Step 5: Solve for x
    x = 73,758,324,990.91/287,651.00
  6. Step 6: Final answer
    x = 256,416.03

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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.