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Finding the Fourth Proportional to 417,828.87, 626,502.96 and 222,841.58

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Solution

The fourth proportional to 417,828.87, 626,502.96 and 222,841.58 is: 334,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,828.87 : 626,502.96 = 222,841.58 : x
  2. Step 2: Convert to fraction form
    417,828.87/626,502.96 = 222,841.58/x
  3. Step 3: Cross multiply
    417,828.87x = 626,502.96 × 222,841.58
  4. Step 4: Simplify right side
    417,828.87x = 139,610,906,348.56
  5. Step 5: Solve for x
    x = 139,610,906,348.56/417,828.87
  6. Step 6: Final answer
    x = 334,134.18

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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.