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Finding the Fourth Proportional to 352,992.90, 487,133.94 and 191,847.96

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Solution

The fourth proportional to 352,992.90, 487,133.94 and 191,847.96 is: 264,752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,992.90 : 487,133.94 = 191,847.96 : x
  2. Step 2: Convert to fraction form
    352,992.90/487,133.94 = 191,847.96/x
  3. Step 3: Cross multiply
    352,992.90x = 487,133.94 × 191,847.96
  4. Step 4: Simplify right side
    352,992.90x = 93,455,652,635.76
  5. Step 5: Solve for x
    x = 93,455,652,635.76/352,992.90
  6. Step 6: Final answer
    x = 264,752.22

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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.