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Finding the Fourth Proportional to 693,610.62, 957,052.71 and 438,782.46

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Solution

The fourth proportional to 693,610.62, 957,052.71 and 438,782.46 is: 605,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,610.62 : 957,052.71 = 438,782.46 : x
  2. Step 2: Convert to fraction form
    693,610.62/957,052.71 = 438,782.46/x
  3. Step 3: Cross multiply
    693,610.62x = 957,052.71 × 438,782.46
  4. Step 4: Simplify right side
    693,610.62x = 419,937,942,443.47
  5. Step 5: Solve for x
    x = 419,937,942,443.47/693,610.62
  6. Step 6: Final answer
    x = 605,437.59

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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.