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Finding the Fourth Proportional to 454,340.94, 626,987.61 and 247,608.96

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Solution

The fourth proportional to 454,340.94, 626,987.61 and 247,608.96 is: 341,698.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,340.94 : 626,987.61 = 247,608.96 : x
  2. Step 2: Convert to fraction form
    454,340.94/626,987.61 = 247,608.96/x
  3. Step 3: Cross multiply
    454,340.94x = 626,987.61 × 247,608.96
  4. Step 4: Simplify right side
    454,340.94x = 155,247,750,044.99
  5. Step 5: Solve for x
    x = 155,247,750,044.99/454,340.94
  6. Step 6: Final answer
    x = 341,698.79

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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.