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Finding the Fourth Proportional to 570,684.30, 855,824.52 and 165,792.27

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Solution

The fourth proportional to 570,684.30, 855,824.52 and 165,792.27 is: 248,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,684.30 : 855,824.52 = 165,792.27 : x
  2. Step 2: Convert to fraction form
    570,684.30/855,824.52 = 165,792.27/x
  3. Step 3: Cross multiply
    570,684.30x = 855,824.52 × 165,792.27
  4. Step 4: Simplify right side
    570,684.30x = 141,889,085,613.34
  5. Step 5: Solve for x
    x = 141,889,085,613.34/570,684.30
  6. Step 6: Final answer
    x = 248,629.73

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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.