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Finding the Fourth Proportional to 3,485,955.40, 5,228,933.10 and 3,485,955.40

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Solution

The fourth proportional to 3,485,955.40, 5,228,933.10 and 3,485,955.40 is: 5,228,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,955.40 : 5,228,933.10 = 3,485,955.40 : x
  2. Step 2: Convert to fraction form
    3,485,955.40/5,228,933.10 = 3,485,955.40/x
  3. Step 3: Cross multiply
    3,485,955.40x = 5,228,933.10 × 3,485,955.40
  4. Step 4: Simplify right side
    3,485,955.40x = 18,227,827,576,183.74
  5. Step 5: Solve for x
    x = 18,227,827,576,183.74/3,485,955.40
  6. Step 6: Final answer
    x = 5,228,933.10

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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.