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Finding the Fourth Proportional to 260,272.97, 359,174.20 and 145,550.32

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Solution

The fourth proportional to 260,272.97, 359,174.20 and 145,550.32 is: 200,858.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,272.97 : 359,174.20 = 145,550.32 : x
  2. Step 2: Convert to fraction form
    260,272.97/359,174.20 = 145,550.32/x
  3. Step 3: Cross multiply
    260,272.97x = 359,174.20 × 145,550.32
  4. Step 4: Simplify right side
    260,272.97x = 52,277,918,756.84
  5. Step 5: Solve for x
    x = 52,277,918,756.84/260,272.97
  6. Step 6: Final answer
    x = 200,858.04

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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.