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Finding the Fourth Proportional to 481,556.16, 722,288.16 and 165,969.60

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Solution

The fourth proportional to 481,556.16, 722,288.16 and 165,969.60 is: 248,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,556.16 : 722,288.16 = 165,969.60 : x
  2. Step 2: Convert to fraction form
    481,556.16/722,288.16 = 165,969.60/x
  3. Step 3: Cross multiply
    481,556.16x = 722,288.16 × 165,969.60
  4. Step 4: Simplify right side
    481,556.16x = 119,877,876,999.94
  5. Step 5: Solve for x
    x = 119,877,876,999.94/481,556.16
  6. Step 6: Final answer
    x = 248,938.52

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1.5x scale

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.