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Finding the Fourth Proportional to 252,233.61, 376,759.11 and 212,375.55

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Solution

The fourth proportional to 252,233.61, 376,759.11 and 212,375.55 is: 317,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,233.61 : 376,759.11 = 212,375.55 : x
  2. Step 2: Convert to fraction form
    252,233.61/376,759.11 = 212,375.55/x
  3. Step 3: Cross multiply
    252,233.61x = 376,759.11 × 212,375.55
  4. Step 4: Simplify right side
    252,233.61x = 80,014,423,203.76
  5. Step 5: Solve for x
    x = 80,014,423,203.76/252,233.61
  6. Step 6: Final answer
    x = 317,223.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.