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Finding the Fourth Proportional to 417,495.39, 625,744.72 and 228,003.36

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Solution

The fourth proportional to 417,495.39, 625,744.72 and 228,003.36 is: 341,732.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,495.39 : 625,744.72 = 228,003.36 : x
  2. Step 2: Convert to fraction form
    417,495.39/625,744.72 = 228,003.36/x
  3. Step 3: Cross multiply
    417,495.39x = 625,744.72 × 228,003.36
  4. Step 4: Simplify right side
    417,495.39x = 142,671,898,662.26
  5. Step 5: Solve for x
    x = 142,671,898,662.26/417,495.39
  6. Step 6: Final answer
    x = 341,732.87

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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.