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Finding the Fourth Proportional to 440,599.50, 608,027.31 and 261,751.50

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Solution

The fourth proportional to 440,599.50, 608,027.31 and 261,751.50 is: 361,217.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,599.50 : 608,027.31 = 261,751.50 : x
  2. Step 2: Convert to fraction form
    440,599.50/608,027.31 = 261,751.50/x
  3. Step 3: Cross multiply
    440,599.50x = 608,027.31 × 261,751.50
  4. Step 4: Simplify right side
    440,599.50x = 159,152,060,433.47
  5. Step 5: Solve for x
    x = 159,152,060,433.47/440,599.50
  6. Step 6: Final answer
    x = 361,217.07

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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.