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Finding the Fourth Proportional to 500,857.01, 751,373.00 and 220,366.97

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Solution

The fourth proportional to 500,857.01, 751,373.00 and 220,366.97 is: 330,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,857.01 : 751,373.00 = 220,366.97 : x
  2. Step 2: Convert to fraction form
    500,857.01/751,373.00 = 220,366.97/x
  3. Step 3: Cross multiply
    500,857.01x = 751,373.00 × 220,366.97
  4. Step 4: Simplify right side
    500,857.01x = 165,577,790,135.14
  5. Step 5: Solve for x
    x = 165,577,790,135.14/500,857.01
  6. Step 6: Final answer
    x = 330,588.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.