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Finding the Fourth Proportional to 325,591.50, 449,319.68 and 180,401.74

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Solution

The fourth proportional to 325,591.50, 449,319.68 and 180,401.74 is: 248,956.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,591.50 : 449,319.68 = 180,401.74 : x
  2. Step 2: Convert to fraction form
    325,591.50/449,319.68 = 180,401.74/x
  3. Step 3: Cross multiply
    325,591.50x = 449,319.68 × 180,401.74
  4. Step 4: Simplify right side
    325,591.50x = 81,058,052,088.24
  5. Step 5: Solve for x
    x = 81,058,052,088.24/325,591.50
  6. Step 6: Final answer
    x = 248,956.29

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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.