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Finding the Fourth Proportional to 570,566.43, 855,725.72 and 171,099.95

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Solution

The fourth proportional to 570,566.43, 855,725.72 and 171,099.95 is: 256,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,566.43 : 855,725.72 = 171,099.95 : x
  2. Step 2: Convert to fraction form
    570,566.43/855,725.72 = 171,099.95/x
  3. Step 3: Cross multiply
    570,566.43x = 855,725.72 × 171,099.95
  4. Step 4: Simplify right side
    570,566.43x = 146,414,622,771.59
  5. Step 5: Solve for x
    x = 146,414,622,771.59/570,566.43
  6. Step 6: Final answer
    x = 256,612.75

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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.