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Finding the Fourth Proportional to 373,122.94, 514,921.71 and 211,975.06

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Solution

The fourth proportional to 373,122.94, 514,921.71 and 211,975.06 is: 292,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,122.94 : 514,921.71 = 211,975.06 : x
  2. Step 2: Convert to fraction form
    373,122.94/514,921.71 = 211,975.06/x
  3. Step 3: Cross multiply
    373,122.94x = 514,921.71 × 211,975.06
  4. Step 4: Simplify right side
    373,122.94x = 109,150,560,372.55
  5. Step 5: Solve for x
    x = 109,150,560,372.55/373,122.94
  6. Step 6: Final answer
    x = 292,532.43

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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.