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Finding the Fourth Proportional to 352,991.06, 487,130.85 and 191,846.48

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Solution

The fourth proportional to 352,991.06, 487,130.85 and 191,846.48 is: 264,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,991.06 : 487,130.85 = 191,846.48 : x
  2. Step 2: Convert to fraction form
    352,991.06/487,130.85 = 191,846.48/x
  3. Step 3: Cross multiply
    352,991.06x = 487,130.85 × 191,846.48
  4. Step 4: Simplify right side
    352,991.06x = 93,454,340,089.74
  5. Step 5: Solve for x
    x = 93,454,340,089.74/352,991.06
  6. Step 6: Final answer
    x = 264,749.88

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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.