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Finding the Fourth Proportional to 449,861.32, 673,386.54 and 300,224.20

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Solution

The fourth proportional to 449,861.32, 673,386.54 and 300,224.20 is: 449,398.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,861.32 : 673,386.54 = 300,224.20 : x
  2. Step 2: Convert to fraction form
    449,861.32/673,386.54 = 300,224.20/x
  3. Step 3: Cross multiply
    449,861.32x = 673,386.54 × 300,224.20
  4. Step 4: Simplify right side
    449,861.32x = 202,166,935,262.27
  5. Step 5: Solve for x
    x = 202,166,935,262.27/449,861.32
  6. Step 6: Final answer
    x = 449,398.35

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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.