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Finding the Fourth Proportional to 350,035.98, 525,081.60 and 172,446.12

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Solution

The fourth proportional to 350,035.98, 525,081.60 and 172,446.12 is: 258,682.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,035.98 : 525,081.60 = 172,446.12 : x
  2. Step 2: Convert to fraction form
    350,035.98/525,081.60 = 172,446.12/x
  3. Step 3: Cross multiply
    350,035.98x = 525,081.60 × 172,446.12
  4. Step 4: Simplify right side
    350,035.98x = 90,548,284,603.39
  5. Step 5: Solve for x
    x = 90,548,284,603.39/350,035.98
  6. Step 6: Final answer
    x = 258,682.79

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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.