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Finding the Fourth Proportional to 901,907.34, 1,244,632.62 and 494,016

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Solution

The fourth proportional to 901,907.34, 1,244,632.62 and 494,016 is: 681,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,907.34 : 1,244,632.62 = 494,016 : x
  2. Step 2: Convert to fraction form
    901,907.34/1,244,632.62 = 494,016/x
  3. Step 3: Cross multiply
    901,907.34x = 1,244,632.62 × 494,016
  4. Step 4: Simplify right side
    901,907.34x = 614,868,428,401.92
  5. Step 5: Solve for x
    x = 614,868,428,401.92/901,907.34
  6. Step 6: Final answer
    x = 681,742.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.