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Finding the Fourth Proportional to 330,578.84, 456,226.44 and 185,382.30

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Solution

The fourth proportional to 330,578.84, 456,226.44 and 185,382.30 is: 255,843.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,578.84 : 456,226.44 = 185,382.30 : x
  2. Step 2: Convert to fraction form
    330,578.84/456,226.44 = 185,382.30/x
  3. Step 3: Cross multiply
    330,578.84x = 456,226.44 × 185,382.30
  4. Step 4: Simplify right side
    330,578.84x = 84,576,306,768.01
  5. Step 5: Solve for x
    x = 84,576,306,768.01/330,578.84
  6. Step 6: Final answer
    x = 255,843.07

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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.