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Finding the Fourth Proportional to 3,213,253.06, 4,819,896.08 and 1,083,355.63

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Solution

The fourth proportional to 3,213,253.06, 4,819,896.08 and 1,083,355.63 is: 1,625,039.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,253.06 : 4,819,896.08 = 1,083,355.63 : x
  2. Step 2: Convert to fraction form
    3,213,253.06/4,819,896.08 = 1,083,355.63/x
  3. Step 3: Cross multiply
    3,213,253.06x = 4,819,896.08 × 1,083,355.63
  4. Step 4: Simplify right side
    3,213,253.06x = 5,221,661,554,282.93
  5. Step 5: Solve for x
    x = 5,221,661,554,282.93/3,213,253.06
  6. Step 6: Final answer
    x = 1,625,039.00

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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.