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Finding the Fourth Proportional to 342,798.21, 514,004.99 and 234,849.56

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Solution

The fourth proportional to 342,798.21, 514,004.99 and 234,849.56 is: 352,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,798.21 : 514,004.99 = 234,849.56 : x
  2. Step 2: Convert to fraction form
    342,798.21/514,004.99 = 234,849.56/x
  3. Step 3: Cross multiply
    342,798.21x = 514,004.99 × 234,849.56
  4. Step 4: Simplify right side
    342,798.21x = 120,713,841,995.03
  5. Step 5: Solve for x
    x = 120,713,841,995.03/342,798.21
  6. Step 6: Final answer
    x = 352,142.57

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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.