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Finding the Fourth Proportional to 424,078.26, 585,220.44 and 233,091.60

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Solution

The fourth proportional to 424,078.26, 585,220.44 and 233,091.60 is: 321,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,078.26 : 585,220.44 = 233,091.60 : x
  2. Step 2: Convert to fraction form
    424,078.26/585,220.44 = 233,091.60/x
  3. Step 3: Cross multiply
    424,078.26x = 585,220.44 × 233,091.60
  4. Step 4: Simplify right side
    424,078.26x = 136,409,968,712.30
  5. Step 5: Solve for x
    x = 136,409,968,712.30/424,078.26
  6. Step 6: Final answer
    x = 321,662.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.