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Finding the Fourth Proportional to 350,174.64, 525,425.99 and 172,584.84

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Solution

The fourth proportional to 350,174.64, 525,425.99 and 172,584.84 is: 258,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,174.64 : 525,425.99 = 172,584.84 : x
  2. Step 2: Convert to fraction form
    350,174.64/525,425.99 = 172,584.84/x
  3. Step 3: Cross multiply
    350,174.64x = 525,425.99 × 172,584.84
  4. Step 4: Simplify right side
    350,174.64x = 90,680,559,553.07
  5. Step 5: Solve for x
    x = 90,680,559,553.07/350,174.64
  6. Step 6: Final answer
    x = 258,958.10

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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.