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Finding the Fourth Proportional to 1,973,871.56, 2,960,608.08 and 1,338,256.46

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Solution

The fourth proportional to 1,973,871.56, 2,960,608.08 and 1,338,256.46 is: 2,007,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,871.56 : 2,960,608.08 = 1,338,256.46 : x
  2. Step 2: Convert to fraction form
    1,973,871.56/2,960,608.08 = 1,338,256.46/x
  3. Step 3: Cross multiply
    1,973,871.56x = 2,960,608.08 × 1,338,256.46
  4. Step 4: Simplify right side
    1,973,871.56x = 3,962,052,888,588.20
  5. Step 5: Solve for x
    x = 3,962,052,888,588.20/1,973,871.56
  6. Step 6: Final answer
    x = 2,007,249.59

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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.