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Finding the Fourth Proportional to 392,644.80, 589,050.90 and 224,245.80

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Solution

The fourth proportional to 392,644.80, 589,050.90 and 224,245.80 is: 336,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,644.80 : 589,050.90 = 224,245.80 : x
  2. Step 2: Convert to fraction form
    392,644.80/589,050.90 = 224,245.80/x
  3. Step 3: Cross multiply
    392,644.80x = 589,050.90 × 224,245.80
  4. Step 4: Simplify right side
    392,644.80x = 132,092,190,311.22
  5. Step 5: Solve for x
    x = 132,092,190,311.22/392,644.80
  6. Step 6: Final answer
    x = 336,416.50

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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.