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Finding the Fourth Proportional to 570,584.03, 855,959.49 and 171,256.37

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Solution

The fourth proportional to 570,584.03, 855,959.49 and 171,256.37 is: 256,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,584.03 : 855,959.49 = 171,256.37 : x
  2. Step 2: Convert to fraction form
    570,584.03/855,959.49 = 171,256.37/x
  3. Step 3: Cross multiply
    570,584.03x = 855,959.49 × 171,256.37
  4. Step 4: Simplify right side
    570,584.03x = 146,588,515,124.45
  5. Step 5: Solve for x
    x = 146,588,515,124.45/570,584.03
  6. Step 6: Final answer
    x = 256,909.60

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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.