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Finding the Fourth Proportional to 352,992.81, 487,133.27 and 191,848.24

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Solution

The fourth proportional to 352,992.81, 487,133.27 and 191,848.24 is: 264,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,992.81 : 487,133.27 = 191,848.24 : x
  2. Step 2: Convert to fraction form
    352,992.81/487,133.27 = 191,848.24/x
  3. Step 3: Cross multiply
    352,992.81x = 487,133.27 × 191,848.24
  4. Step 4: Simplify right side
    352,992.81x = 93,455,660,494.94
  5. Step 5: Solve for x
    x = 93,455,660,494.94/352,992.81
  6. Step 6: Final answer
    x = 264,752.31

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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.