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Finding the Fourth Proportional to 336,455.40, 504,222.30 and 274,247.40

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Solution

The fourth proportional to 336,455.40, 504,222.30 and 274,247.40 is: 410,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,455.40 : 504,222.30 = 274,247.40 : x
  2. Step 2: Convert to fraction form
    336,455.40/504,222.30 = 274,247.40/x
  3. Step 3: Cross multiply
    336,455.40x = 504,222.30 × 274,247.40
  4. Step 4: Simplify right side
    336,455.40x = 138,281,654,797.02
  5. Step 5: Solve for x
    x = 138,281,654,797.02/336,455.40
  6. Step 6: Final answer
    x = 410,995.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.