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Finding the Fourth Proportional to 571,190.40, 856,542.72 and 233,998.08

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Solution

The fourth proportional to 571,190.40, 856,542.72 and 233,998.08 is: 350,897.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,190.40 : 856,542.72 = 233,998.08 : x
  2. Step 2: Convert to fraction form
    571,190.40/856,542.72 = 233,998.08/x
  3. Step 3: Cross multiply
    571,190.40x = 856,542.72 × 233,998.08
  4. Step 4: Simplify right side
    571,190.40x = 200,429,351,917.98
  5. Step 5: Solve for x
    x = 200,429,351,917.98/571,190.40
  6. Step 6: Final answer
    x = 350,897.62

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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.