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Finding the Fourth Proportional to 467,129.37, 644,638.44 and 252,269.40

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Solution

The fourth proportional to 467,129.37, 644,638.44 and 252,269.40 is: 348,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,129.37 : 644,638.44 = 252,269.40 : x
  2. Step 2: Convert to fraction form
    467,129.37/644,638.44 = 252,269.40/x
  3. Step 3: Cross multiply
    467,129.37x = 644,638.44 × 252,269.40
  4. Step 4: Simplify right side
    467,129.37x = 162,622,552,475.74
  5. Step 5: Solve for x
    x = 162,622,552,475.74/467,129.37
  6. Step 6: Final answer
    x = 348,131.72

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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.