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Finding the Fourth Proportional to 264,647.63, 397,482.06 and 226,782.74

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Solution

The fourth proportional to 264,647.63, 397,482.06 and 226,782.74 is: 340,611.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,647.63 : 397,482.06 = 226,782.74 : x
  2. Step 2: Convert to fraction form
    264,647.63/397,482.06 = 226,782.74/x
  3. Step 3: Cross multiply
    264,647.63x = 397,482.06 × 226,782.74
  4. Step 4: Simplify right side
    264,647.63x = 90,142,070,667.64
  5. Step 5: Solve for x
    x = 90,142,070,667.64/264,647.63
  6. Step 6: Final answer
    x = 340,611.67

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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.