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Finding the Fourth Proportional to 448,523.52, 672,670.63 and 132,906.61

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Solution

The fourth proportional to 448,523.52, 672,670.63 and 132,906.61 is: 199,325.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,523.52 : 672,670.63 = 132,906.61 : x
  2. Step 2: Convert to fraction form
    448,523.52/672,670.63 = 132,906.61/x
  3. Step 3: Cross multiply
    448,523.52x = 672,670.63 × 132,906.61
  4. Step 4: Simplify right side
    448,523.52x = 89,402,373,079.86
  5. Step 5: Solve for x
    x = 89,402,373,079.86/448,523.52
  6. Step 6: Final answer
    x = 199,325.94

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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.