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Finding the Fourth Proportional to 300,445.96, 450,753.72 and 150,505.24

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Solution

The fourth proportional to 300,445.96, 450,753.72 and 150,505.24 is: 225,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,445.96 : 450,753.72 = 150,505.24 : x
  2. Step 2: Convert to fraction form
    300,445.96/450,753.72 = 150,505.24/x
  3. Step 3: Cross multiply
    300,445.96x = 450,753.72 × 150,505.24
  4. Step 4: Simplify right side
    300,445.96x = 67,840,796,809.49
  5. Step 5: Solve for x
    x = 67,840,796,809.49/300,445.96
  6. Step 6: Final answer
    x = 225,800.33

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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.