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Finding the Fourth Proportional to 3,322,779.64, 4,984,097.88 and 926,560.42

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Solution

The fourth proportional to 3,322,779.64, 4,984,097.88 and 926,560.42 is: 1,389,820.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322,779.64 : 4,984,097.88 = 926,560.42 : x
  2. Step 2: Convert to fraction form
    3,322,779.64/4,984,097.88 = 926,560.42/x
  3. Step 3: Cross multiply
    3,322,779.64x = 4,984,097.88 × 926,560.42
  4. Step 4: Simplify right side
    3,322,779.64x = 4,618,067,825,013.91
  5. Step 5: Solve for x
    x = 4,618,067,825,013.91/3,322,779.64
  6. Step 6: Final answer
    x = 1,389,820.67

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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.