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Finding the Fourth Proportional to 3,299,629.64, 4,949,448.56 and 903,495.04

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Solution

The fourth proportional to 3,299,629.64, 4,949,448.56 and 903,495.04 is: 1,355,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299,629.64 : 4,949,448.56 = 903,495.04 : x
  2. Step 2: Convert to fraction form
    3,299,629.64/4,949,448.56 = 903,495.04/x
  3. Step 3: Cross multiply
    3,299,629.64x = 4,949,448.56 × 903,495.04
  4. Step 4: Simplify right side
    3,299,629.64x = 4,471,802,224,695.14
  5. Step 5: Solve for x
    x = 4,471,802,224,695.14/3,299,629.64
  6. Step 6: Final answer
    x = 1,355,243.68

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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.