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Finding the Fourth Proportional to 330,832.99, 456,549.51 and 187,593

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Solution

The fourth proportional to 330,832.99, 456,549.51 and 187,593 is: 258,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,832.99 : 456,549.51 = 187,593 : x
  2. Step 2: Convert to fraction form
    330,832.99/456,549.51 = 187,593/x
  3. Step 3: Cross multiply
    330,832.99x = 456,549.51 × 187,593
  4. Step 4: Simplify right side
    330,832.99x = 85,645,492,229.43
  5. Step 5: Solve for x
    x = 85,645,492,229.43/330,832.99
  6. Step 6: Final answer
    x = 258,878.33

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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.