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Finding the Fourth Proportional to 373,119.75, 514,919.16 and 212,002.11

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Solution

The fourth proportional to 373,119.75, 514,919.16 and 212,002.11 is: 292,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,119.75 : 514,919.16 = 212,002.11 : x
  2. Step 2: Convert to fraction form
    373,119.75/514,919.16 = 212,002.11/x
  3. Step 3: Cross multiply
    373,119.75x = 514,919.16 × 212,002.11
  4. Step 4: Simplify right side
    373,119.75x = 109,163,948,399.43
  5. Step 5: Solve for x
    x = 109,163,948,399.43/373,119.75
  6. Step 6: Final answer
    x = 292,570.81

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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.