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Finding the Fourth Proportional to 364,574.20, 546,861.30 and 331,331.80

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Solution

The fourth proportional to 364,574.20, 546,861.30 and 331,331.80 is: 496,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,574.20 : 546,861.30 = 331,331.80 : x
  2. Step 2: Convert to fraction form
    364,574.20/546,861.30 = 331,331.80/x
  3. Step 3: Cross multiply
    364,574.20x = 546,861.30 × 331,331.80
  4. Step 4: Simplify right side
    364,574.20x = 181,192,538,879.34
  5. Step 5: Solve for x
    x = 181,192,538,879.34/364,574.20
  6. Step 6: Final answer
    x = 496,997.70

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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.