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Finding the Fourth Proportional to 350,168.93, 525,417.43 and 172,579.06

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Solution

The fourth proportional to 350,168.93, 525,417.43 and 172,579.06 is: 258,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,168.93 : 525,417.43 = 172,579.06 : x
  2. Step 2: Convert to fraction form
    350,168.93/525,417.43 = 172,579.06/x
  3. Step 3: Cross multiply
    350,168.93x = 525,417.43 × 172,579.06
  4. Step 4: Simplify right side
    350,168.93x = 90,676,044,432.02
  5. Step 5: Solve for x
    x = 90,676,044,432.02/350,168.93
  6. Step 6: Final answer
    x = 258,949.43

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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.