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Finding the Fourth Proportional to 569,121.60, 853,725.60 and 169,731.20

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Solution

The fourth proportional to 569,121.60, 853,725.60 and 169,731.20 is: 254,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,121.60 : 853,725.60 = 169,731.20 : x
  2. Step 2: Convert to fraction form
    569,121.60/853,725.60 = 169,731.20/x
  3. Step 3: Cross multiply
    569,121.60x = 853,725.60 × 169,731.20
  4. Step 4: Simplify right side
    569,121.60x = 144,903,870,558.72
  5. Step 5: Solve for x
    x = 144,903,870,558.72/569,121.60
  6. Step 6: Final answer
    x = 254,609.68

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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.