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Finding the Fourth Proportional to 343,947.94, 515,732.47 and 184,211.08

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Solution

The fourth proportional to 343,947.94, 515,732.47 and 184,211.08 is: 276,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,947.94 : 515,732.47 = 184,211.08 : x
  2. Step 2: Convert to fraction form
    343,947.94/515,732.47 = 184,211.08/x
  3. Step 3: Cross multiply
    343,947.94x = 515,732.47 × 184,211.08
  4. Step 4: Simplify right side
    343,947.94x = 95,003,633,539.91
  5. Step 5: Solve for x
    x = 95,003,633,539.91/343,947.94
  6. Step 6: Final answer
    x = 276,215.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.