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Finding the Fourth Proportional to 429,754.08, 644,571.60 and 114,236.64

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Solution

The fourth proportional to 429,754.08, 644,571.60 and 114,236.64 is: 171,339.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,754.08 : 644,571.60 = 114,236.64 : x
  2. Step 2: Convert to fraction form
    429,754.08/644,571.60 = 114,236.64/x
  3. Step 3: Cross multiply
    429,754.08x = 644,571.60 × 114,236.64
  4. Step 4: Simplify right side
    429,754.08x = 73,633,693,823.42
  5. Step 5: Solve for x
    x = 73,633,693,823.42/429,754.08
  6. Step 6: Final answer
    x = 171,339.14

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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.