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Finding the Fourth Proportional to 373,168.18, 514,972.22 and 212,023.44

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Solution

The fourth proportional to 373,168.18, 514,972.22 and 212,023.44 is: 292,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,168.18 : 514,972.22 = 212,023.44 : x
  2. Step 2: Convert to fraction form
    373,168.18/514,972.22 = 212,023.44/x
  3. Step 3: Cross multiply
    373,168.18x = 514,972.22 × 212,023.44
  4. Step 4: Simplify right side
    373,168.18x = 109,186,179,013.98
  5. Step 5: Solve for x
    x = 109,186,179,013.98/373,168.18
  6. Step 6: Final answer
    x = 292,592.42

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1.5x scale

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.