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Finding the Fourth Proportional to 417,954.74, 626,943.92 and 102,411.27

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Solution

The fourth proportional to 417,954.74, 626,943.92 and 102,411.27 is: 153,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,954.74 : 626,943.92 = 102,411.27 : x
  2. Step 2: Convert to fraction form
    417,954.74/626,943.92 = 102,411.27/x
  3. Step 3: Cross multiply
    417,954.74x = 626,943.92 × 102,411.27
  4. Step 4: Simplify right side
    417,954.74x = 64,206,122,553.92
  5. Step 5: Solve for x
    x = 64,206,122,553.92/417,954.74
  6. Step 6: Final answer
    x = 153,619.80

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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.