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Finding the Fourth Proportional to 1,330,222.07, 1,835,713.84 and 726,610.07

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Solution

The fourth proportional to 1,330,222.07, 1,835,713.84 and 726,610.07 is: 1,002,725.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,222.07 : 1,835,713.84 = 726,610.07 : x
  2. Step 2: Convert to fraction form
    1,330,222.07/1,835,713.84 = 726,610.07/x
  3. Step 3: Cross multiply
    1,330,222.07x = 1,835,713.84 × 726,610.07
  4. Step 4: Simplify right side
    1,330,222.07x = 1,333,848,161,782.37
  5. Step 5: Solve for x
    x = 1,333,848,161,782.37/1,330,222.07
  6. Step 6: Final answer
    x = 1,002,725.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.