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Finding the Fourth Proportional to 3,504,890.30, 4,913,932.30 and 3,504,890.30

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Solution

The fourth proportional to 3,504,890.30, 4,913,932.30 and 3,504,890.30 is: 4,913,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504,890.30 : 4,913,932.30 = 3,504,890.30 : x
  2. Step 2: Convert to fraction form
    3,504,890.30/4,913,932.30 = 3,504,890.30/x
  3. Step 3: Cross multiply
    3,504,890.30x = 4,913,932.30 × 3,504,890.30
  4. Step 4: Simplify right side
    3,504,890.30x = 17,222,793,653,126.69
  5. Step 5: Solve for x
    x = 17,222,793,653,126.69/3,504,890.30
  6. Step 6: Final answer
    x = 4,913,932.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.