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Finding the Fourth Proportional to 607,391.97, 838,184.88 and 335,454.01

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Solution

The fourth proportional to 607,391.97, 838,184.88 and 335,454.01 is: 462,917.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,391.97 : 838,184.88 = 335,454.01 : x
  2. Step 2: Convert to fraction form
    607,391.97/838,184.88 = 335,454.01/x
  3. Step 3: Cross multiply
    607,391.97x = 838,184.88 × 335,454.01
  4. Step 4: Simplify right side
    607,391.97x = 281,172,481,107.72
  5. Step 5: Solve for x
    x = 281,172,481,107.72/607,391.97
  6. Step 6: Final answer
    x = 462,917.68

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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.