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Finding the Fourth Proportional to 445,847.76, 669,000.96 and 296,191.44

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Solution

The fourth proportional to 445,847.76, 669,000.96 and 296,191.44 is: 444,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,847.76 : 669,000.96 = 296,191.44 : x
  2. Step 2: Convert to fraction form
    445,847.76/669,000.96 = 296,191.44/x
  3. Step 3: Cross multiply
    445,847.76x = 669,000.96 × 296,191.44
  4. Step 4: Simplify right side
    445,847.76x = 198,152,357,703.78
  5. Step 5: Solve for x
    x = 198,152,357,703.78/445,847.76
  6. Step 6: Final answer
    x = 444,439.50

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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.