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Finding the Fourth Proportional to 260,519.75, 359,523.69 and 145,797.48

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Solution

The fourth proportional to 260,519.75, 359,523.69 and 145,797.48 is: 201,204.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,519.75 : 359,523.69 = 145,797.48 : x
  2. Step 2: Convert to fraction form
    260,519.75/359,523.69 = 145,797.48/x
  3. Step 3: Cross multiply
    260,519.75x = 359,523.69 × 145,797.48
  4. Step 4: Simplify right side
    260,519.75x = 52,417,648,002.30
  5. Step 5: Solve for x
    x = 52,417,648,002.30/260,519.75
  6. Step 6: Final answer
    x = 201,204.13

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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.