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Finding the Fourth Proportional to 350,274.90, 525,486.14 and 113,599.12

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Solution

The fourth proportional to 350,274.90, 525,486.14 and 113,599.12 is: 170,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,274.90 : 525,486.14 = 113,599.12 : x
  2. Step 2: Convert to fraction form
    350,274.90/525,486.14 = 113,599.12/x
  3. Step 3: Cross multiply
    350,274.90x = 525,486.14 × 113,599.12
  4. Step 4: Simplify right side
    350,274.90x = 59,694,763,076.20
  5. Step 5: Solve for x
    x = 59,694,763,076.20/350,274.90
  6. Step 6: Final answer
    x = 170,422.61

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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.