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Finding the Fourth Proportional to 303,753.15, 455,629.73 and 250,609.05

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Solution

The fourth proportional to 303,753.15, 455,629.73 and 250,609.05 is: 375,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,753.15 : 455,629.73 = 250,609.05 : x
  2. Step 2: Convert to fraction form
    303,753.15/455,629.73 = 250,609.05/x
  3. Step 3: Cross multiply
    303,753.15x = 455,629.73 × 250,609.05
  4. Step 4: Simplify right side
    303,753.15x = 114,184,932,534.01
  5. Step 5: Solve for x
    x = 114,184,932,534.01/303,753.15
  6. Step 6: Final answer
    x = 375,913.58

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.