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Finding the Fourth Proportional to 343,999.00, 474,730.42 and 191,039.61

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Solution

The fourth proportional to 343,999.00, 474,730.42 and 191,039.61 is: 263,641.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,999.00 : 474,730.42 = 191,039.61 : x
  2. Step 2: Convert to fraction form
    343,999.00/474,730.42 = 191,039.61/x
  3. Step 3: Cross multiply
    343,999.00x = 474,730.42 × 191,039.61
  4. Step 4: Simplify right side
    343,999.00x = 90,692,315,952.78
  5. Step 5: Solve for x
    x = 90,692,315,952.78/343,999.00
  6. Step 6: Final answer
    x = 263,641.22

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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.