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Finding the Fourth Proportional to 448,064.91, 672,024.47 and 181,814.67

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Solution

The fourth proportional to 448,064.91, 672,024.47 and 181,814.67 is: 272,692.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,064.91 : 672,024.47 = 181,814.67 : x
  2. Step 2: Convert to fraction form
    448,064.91/672,024.47 = 181,814.67/x
  3. Step 3: Cross multiply
    448,064.91x = 672,024.47 × 181,814.67
  4. Step 4: Simplify right side
    448,064.91x = 122,183,906,335.90
  5. Step 5: Solve for x
    x = 122,183,906,335.90/448,064.91
  6. Step 6: Final answer
    x = 272,692.42

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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.