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Finding the Fourth Proportional to 3,562,635.64, 5,343,964.26 and 866,961.32

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Solution

The fourth proportional to 3,562,635.64, 5,343,964.26 and 866,961.32 is: 1,300,444.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562,635.64 : 5,343,964.26 = 866,961.32 : x
  2. Step 2: Convert to fraction form
    3,562,635.64/5,343,964.26 = 866,961.32/x
  3. Step 3: Cross multiply
    3,562,635.64x = 5,343,964.26 × 866,961.32
  4. Step 4: Simplify right side
    3,562,635.64x = 4,633,010,308,882.42
  5. Step 5: Solve for x
    x = 4,633,010,308,882.42/3,562,635.64
  6. Step 6: Final answer
    x = 1,300,444.61

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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.