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Finding the Fourth Proportional to 350,170.60, 525,839.10 and 192,512.20

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Solution

The fourth proportional to 350,170.60, 525,839.10 and 192,512.20 is: 289,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,170.60 : 525,839.10 = 192,512.20 : x
  2. Step 2: Convert to fraction form
    350,170.60/525,839.10 = 192,512.20/x
  3. Step 3: Cross multiply
    350,170.60x = 525,839.10 × 192,512.20
  4. Step 4: Simplify right side
    350,170.60x = 101,230,441,987.02
  5. Step 5: Solve for x
    x = 101,230,441,987.02/350,170.60
  6. Step 6: Final answer
    x = 289,088.92

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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.