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Finding the Fourth Proportional to 448,762.67, 672,997.83 and 149,162.79

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Solution

The fourth proportional to 448,762.67, 672,997.83 and 149,162.79 is: 223,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,762.67 : 672,997.83 = 149,162.79 : x
  2. Step 2: Convert to fraction form
    448,762.67/672,997.83 = 149,162.79/x
  3. Step 3: Cross multiply
    448,762.67x = 672,997.83 × 149,162.79
  4. Step 4: Simplify right side
    448,762.67x = 100,386,233,986.75
  5. Step 5: Solve for x
    x = 100,386,233,986.75/448,762.67
  6. Step 6: Final answer
    x = 223,695.60

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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.