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Finding the Fourth Proportional to 1,672,569.72, 2,505,059.91 and 1,065,361.32

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Solution

The fourth proportional to 1,672,569.72, 2,505,059.91 and 1,065,361.32 is: 1,595,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,569.72 : 2,505,059.91 = 1,065,361.32 : x
  2. Step 2: Convert to fraction form
    1,672,569.72/2,505,059.91 = 1,065,361.32/x
  3. Step 3: Cross multiply
    1,672,569.72x = 2,505,059.91 × 1,065,361.32
  4. Step 4: Simplify right side
    1,672,569.72x = 2,668,793,932,396.68
  5. Step 5: Solve for x
    x = 2,668,793,932,396.68/1,672,569.72
  6. Step 6: Final answer
    x = 1,595,624.92

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