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Finding the Fourth Proportional to 560,596.20, 773,520.88 and 331,190.83

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Solution

The fourth proportional to 560,596.20, 773,520.88 and 331,190.83 is: 456,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,596.20 : 773,520.88 = 331,190.83 : x
  2. Step 2: Convert to fraction form
    560,596.20/773,520.88 = 331,190.83/x
  3. Step 3: Cross multiply
    560,596.20x = 773,520.88 × 331,190.83
  4. Step 4: Simplify right side
    560,596.20x = 256,183,022,269.53
  5. Step 5: Solve for x
    x = 256,183,022,269.53/560,596.20
  6. Step 6: Final answer
    x = 456,983.16

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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.