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Finding the Fourth Proportional to 590,622.88, 886,000.56 and 216,644.80

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Solution

The fourth proportional to 590,622.88, 886,000.56 and 216,644.80 is: 324,991.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,622.88 : 886,000.56 = 216,644.80 : x
  2. Step 2: Convert to fraction form
    590,622.88/886,000.56 = 216,644.80/x
  3. Step 3: Cross multiply
    590,622.88x = 886,000.56 × 216,644.80
  4. Step 4: Simplify right side
    590,622.88x = 191,947,414,121.09
  5. Step 5: Solve for x
    x = 191,947,414,121.09/590,622.88
  6. Step 6: Final answer
    x = 324,991.50

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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.