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Finding the Fourth Proportional to 587,722.77, 881,644.50 and 203,471.06

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Solution

The fourth proportional to 587,722.77, 881,644.50 and 203,471.06 is: 305,227.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,722.77 : 881,644.50 = 203,471.06 : x
  2. Step 2: Convert to fraction form
    587,722.77/881,644.50 = 203,471.06/x
  3. Step 3: Cross multiply
    587,722.77x = 881,644.50 × 203,471.06
  4. Step 4: Simplify right side
    587,722.77x = 179,389,136,549.95
  5. Step 5: Solve for x
    x = 179,389,136,549.95/587,722.77
  6. Step 6: Final answer
    x = 305,227.47

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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.