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Finding the Fourth Proportional to 510,684.77, 764,991.74 and 236,745.94

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Solution

The fourth proportional to 510,684.77, 764,991.74 and 236,745.94 is: 354,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,684.77 : 764,991.74 = 236,745.94 : x
  2. Step 2: Convert to fraction form
    510,684.77/764,991.74 = 236,745.94/x
  3. Step 3: Cross multiply
    510,684.77x = 764,991.74 × 236,745.94
  4. Step 4: Simplify right side
    510,684.77x = 181,108,688,578.54
  5. Step 5: Solve for x
    x = 181,108,688,578.54/510,684.77
  6. Step 6: Final answer
    x = 354,638.91

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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.