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Finding the Fourth Proportional to 652,241.97, 900,103.13 and 394,083

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Solution

The fourth proportional to 652,241.97, 900,103.13 and 394,083 is: 543,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,241.97 : 900,103.13 = 394,083 : x
  2. Step 2: Convert to fraction form
    652,241.97/900,103.13 = 394,083/x
  3. Step 3: Cross multiply
    652,241.97x = 900,103.13 × 394,083
  4. Step 4: Simplify right side
    652,241.97x = 354,715,341,779.79
  5. Step 5: Solve for x
    x = 354,715,341,779.79/652,241.97
  6. Step 6: Final answer
    x = 543,840.11

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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.