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Finding the Fourth Proportional to 1,206,266.62, 1,664,667.00 and 654,982.01

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Solution

The fourth proportional to 1,206,266.62, 1,664,667.00 and 654,982.01 is: 903,885.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,266.62 : 1,664,667.00 = 654,982.01 : x
  2. Step 2: Convert to fraction form
    1,206,266.62/1,664,667.00 = 654,982.01/x
  3. Step 3: Cross multiply
    1,206,266.62x = 1,664,667.00 × 654,982.01
  4. Step 4: Simplify right side
    1,206,266.62x = 1,090,326,938,361.31
  5. Step 5: Solve for x
    x = 1,090,326,938,361.31/1,206,266.62
  6. Step 6: Final answer
    x = 903,885.53

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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.