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Finding the Fourth Proportional to 373,169.79, 514,974.47 and 212,025.05

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Solution

The fourth proportional to 373,169.79, 514,974.47 and 212,025.05 is: 292,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,169.79 : 514,974.47 = 212,025.05 : x
  2. Step 2: Convert to fraction form
    373,169.79/514,974.47 = 212,025.05/x
  3. Step 3: Cross multiply
    373,169.79x = 514,974.47 × 212,025.05
  4. Step 4: Simplify right side
    373,169.79x = 109,187,487,750.47
  5. Step 5: Solve for x
    x = 109,187,487,750.47/373,169.79
  6. Step 6: Final answer
    x = 292,594.66

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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.