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Finding the Fourth Proportional to 703,478, 1,055,217.41 and 494,050.88

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Solution

The fourth proportional to 703,478, 1,055,217.41 and 494,050.88 is: 741,076.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,478 : 1,055,217.41 = 494,050.88 : x
  2. Step 2: Convert to fraction form
    703,478/1,055,217.41 = 494,050.88/x
  3. Step 3: Cross multiply
    703,478x = 1,055,217.41 × 494,050.88
  4. Step 4: Simplify right side
    703,478x = 521,331,090,001.82
  5. Step 5: Solve for x
    x = 521,331,090,001.82/703,478
  6. Step 6: Final answer
    x = 741,076.61

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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.