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Finding the Fourth Proportional to 800,234.74, 1,104,308.47 and 437,657.48

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Solution

The fourth proportional to 800,234.74, 1,104,308.47 and 437,657.48 is: 603,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,234.74 : 1,104,308.47 = 437,657.48 : x
  2. Step 2: Convert to fraction form
    800,234.74/1,104,308.47 = 437,657.48/x
  3. Step 3: Cross multiply
    800,234.74x = 1,104,308.47 × 437,657.48
  4. Step 4: Simplify right side
    800,234.74x = 483,308,861,289.54
  5. Step 5: Solve for x
    x = 483,308,861,289.54/800,234.74
  6. Step 6: Final answer
    x = 603,958.86

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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.