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Finding the Fourth Proportional to 479,544.92, 719,332.82 and 251,782.84

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Solution

The fourth proportional to 479,544.92, 719,332.82 and 251,782.84 is: 377,682.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,544.92 : 719,332.82 = 251,782.84 : x
  2. Step 2: Convert to fraction form
    479,544.92/719,332.82 = 251,782.84/x
  3. Step 3: Cross multiply
    479,544.92x = 719,332.82 × 251,782.84
  4. Step 4: Simplify right side
    479,544.92x = 181,115,660,324.81
  5. Step 5: Solve for x
    x = 181,115,660,324.81/479,544.92
  6. Step 6: Final answer
    x = 377,682.37

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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.