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Finding the Fourth Proportional to 570,567.43, 855,727.21 and 171,100.95

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Solution

The fourth proportional to 570,567.43, 855,727.21 and 171,100.95 is: 256,614.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,567.43 : 855,727.21 = 171,100.95 : x
  2. Step 2: Convert to fraction form
    570,567.43/855,727.21 = 171,100.95/x
  3. Step 3: Cross multiply
    570,567.43x = 855,727.21 × 171,100.95
  4. Step 4: Simplify right side
    570,567.43x = 146,415,738,571.85
  5. Step 5: Solve for x
    x = 146,415,738,571.85/570,567.43
  6. Step 6: Final answer
    x = 256,614.26

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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.