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Finding the Fourth Proportional to 325,410.41, 449,068.13 and 180,220.94

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Solution

The fourth proportional to 325,410.41, 449,068.13 and 180,220.94 is: 248,705.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,410.41 : 449,068.13 = 180,220.94 : x
  2. Step 2: Convert to fraction form
    325,410.41/449,068.13 = 180,220.94/x
  3. Step 3: Cross multiply
    325,410.41x = 449,068.13 × 180,220.94
  4. Step 4: Simplify right side
    325,410.41x = 80,931,477,366.20
  5. Step 5: Solve for x
    x = 80,931,477,366.20/325,410.41
  6. Step 6: Final answer
    x = 248,705.87

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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.