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Finding the Fourth Proportional to 256,768.77, 385,244.33 and 114,601.11

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Solution

The fourth proportional to 256,768.77, 385,244.33 and 114,601.11 is: 171,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,768.77 : 385,244.33 = 114,601.11 : x
  2. Step 2: Convert to fraction form
    256,768.77/385,244.33 = 114,601.11/x
  3. Step 3: Cross multiply
    256,768.77x = 385,244.33 × 114,601.11
  4. Step 4: Simplify right side
    256,768.77x = 44,149,427,266.20
  5. Step 5: Solve for x
    x = 44,149,427,266.20/256,768.77
  6. Step 6: Final answer
    x = 171,942.36

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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.