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Finding the Fourth Proportional to 350,160.30, 525,404.47 and 172,570.43

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Solution

The fourth proportional to 350,160.30, 525,404.47 and 172,570.43 is: 258,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,160.30 : 525,404.47 = 172,570.43 : x
  2. Step 2: Convert to fraction form
    350,160.30/525,404.47 = 172,570.43/x
  3. Step 3: Cross multiply
    350,160.30x = 525,404.47 × 172,570.43
  4. Step 4: Simplify right side
    350,160.30x = 90,669,276,193.91
  5. Step 5: Solve for x
    x = 90,669,276,193.91/350,160.30
  6. Step 6: Final answer
    x = 258,936.48

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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.