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Finding the Fourth Proportional to 417,243.41, 625,943.03 and 189,555.01

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Solution

The fourth proportional to 417,243.41, 625,943.03 and 189,555.01 is: 284,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,243.41 : 625,943.03 = 189,555.01 : x
  2. Step 2: Convert to fraction form
    417,243.41/625,943.03 = 189,555.01/x
  3. Step 3: Cross multiply
    417,243.41x = 625,943.03 × 189,555.01
  4. Step 4: Simplify right side
    417,243.41x = 118,650,636,363.31
  5. Step 5: Solve for x
    x = 118,650,636,363.31/417,243.41
  6. Step 6: Final answer
    x = 284,367.91

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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.