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Finding the Fourth Proportional to 1,797,975.42, 2,481,106.50 and 982,016.64

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Solution

The fourth proportional to 1,797,975.42, 2,481,106.50 and 982,016.64 is: 1,355,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,975.42 : 2,481,106.50 = 982,016.64 : x
  2. Step 2: Convert to fraction form
    1,797,975.42/2,481,106.50 = 982,016.64/x
  3. Step 3: Cross multiply
    1,797,975.42x = 2,481,106.50 × 982,016.64
  4. Step 4: Simplify right side
    1,797,975.42x = 2,436,487,868,612.16
  5. Step 5: Solve for x
    x = 2,436,487,868,612.16/1,797,975.42
  6. Step 6: Final answer
    x = 1,355,128.57

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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.