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Finding the Fourth Proportional to 706,885.56, 1,060,293.78 and 263,619

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Solution

The fourth proportional to 706,885.56, 1,060,293.78 and 263,619 is: 395,415.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,885.56 : 1,060,293.78 = 263,619 : x
  2. Step 2: Convert to fraction form
    706,885.56/1,060,293.78 = 263,619/x
  3. Step 3: Cross multiply
    706,885.56x = 1,060,293.78 × 263,619
  4. Step 4: Simplify right side
    706,885.56x = 279,513,585,989.82
  5. Step 5: Solve for x
    x = 279,513,585,989.82/706,885.56
  6. Step 6: Final answer
    x = 395,415.61

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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.