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Finding the Fourth Proportional to 330,651.54, 456,310.94 and 203,302.53

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Solution

The fourth proportional to 330,651.54, 456,310.94 and 203,302.53 is: 280,564.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,651.54 : 456,310.94 = 203,302.53 : x
  2. Step 2: Convert to fraction form
    330,651.54/456,310.94 = 203,302.53/x
  3. Step 3: Cross multiply
    330,651.54x = 456,310.94 × 203,302.53
  4. Step 4: Simplify right side
    330,651.54x = 92,769,167,552.17
  5. Step 5: Solve for x
    x = 92,769,167,552.17/330,651.54
  6. Step 6: Final answer
    x = 280,564.75

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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.