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Finding the Fourth Proportional to 479,055.69, 717,944.94 and 226,403.19

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Solution

The fourth proportional to 479,055.69, 717,944.94 and 226,403.19 is: 339,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,055.69 : 717,944.94 = 226,403.19 : x
  2. Step 2: Convert to fraction form
    479,055.69/717,944.94 = 226,403.19/x
  3. Step 3: Cross multiply
    479,055.69x = 717,944.94 × 226,403.19
  4. Step 4: Simplify right side
    479,055.69x = 162,545,024,660.36
  5. Step 5: Solve for x
    x = 162,545,024,660.36/479,055.69
  6. Step 6: Final answer
    x = 339,302.98

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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.