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Finding the Fourth Proportional to 570,904.96, 856,324.56 and 171,537.28

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Solution

The fourth proportional to 570,904.96, 856,324.56 and 171,537.28 is: 257,296.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,904.96 : 856,324.56 = 171,537.28 : x
  2. Step 2: Convert to fraction form
    570,904.96/856,324.56 = 171,537.28/x
  3. Step 3: Cross multiply
    570,904.96x = 856,324.56 × 171,537.28
  4. Step 4: Simplify right side
    570,904.96x = 146,891,585,819.60
  5. Step 5: Solve for x
    x = 146,891,585,819.60/570,904.96
  6. Step 6: Final answer
    x = 257,296.04

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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.