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Finding the Fourth Proportional to 373,172.79, 514,571.48 and 252,103.86

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Solution

The fourth proportional to 373,172.79, 514,571.48 and 252,103.86 is: 347,628.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,172.79 : 514,571.48 = 252,103.86 : x
  2. Step 2: Convert to fraction form
    373,172.79/514,571.48 = 252,103.86/x
  3. Step 3: Cross multiply
    373,172.79x = 514,571.48 × 252,103.86
  4. Step 4: Simplify right side
    373,172.79x = 129,725,456,038.78
  5. Step 5: Solve for x
    x = 129,725,456,038.78/373,172.79
  6. Step 6: Final answer
    x = 347,628.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.