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Finding the Fourth Proportional to 561,917.44, 842,700.24 and 187,852.96

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Solution

The fourth proportional to 561,917.44, 842,700.24 and 187,852.96 is: 281,720.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,917.44 : 842,700.24 = 187,852.96 : x
  2. Step 2: Convert to fraction form
    561,917.44/842,700.24 = 187,852.96/x
  3. Step 3: Cross multiply
    561,917.44x = 842,700.24 × 187,852.96
  4. Step 4: Simplify right side
    561,917.44x = 158,303,734,476.71
  5. Step 5: Solve for x
    x = 158,303,734,476.71/561,917.44
  6. Step 6: Final answer
    x = 281,720.63

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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.