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Finding the Fourth Proportional to 364,687.62, 546,856.38 and 172,401.96

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Solution

The fourth proportional to 364,687.62, 546,856.38 and 172,401.96 is: 258,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,687.62 : 546,856.38 = 172,401.96 : x
  2. Step 2: Convert to fraction form
    364,687.62/546,856.38 = 172,401.96/x
  3. Step 3: Cross multiply
    364,687.62x = 546,856.38 × 172,401.96
  4. Step 4: Simplify right side
    364,687.62x = 94,279,111,750.50
  5. Step 5: Solve for x
    x = 94,279,111,750.50/364,687.62
  6. Step 6: Final answer
    x = 258,520.19

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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.