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Finding the Fourth Proportional to 389,494.36, 584,241.54 and 94,006.36

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Solution

The fourth proportional to 389,494.36, 584,241.54 and 94,006.36 is: 141,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,494.36 : 584,241.54 = 94,006.36 : x
  2. Step 2: Convert to fraction form
    389,494.36/584,241.54 = 94,006.36/x
  3. Step 3: Cross multiply
    389,494.36x = 584,241.54 × 94,006.36
  4. Step 4: Simplify right side
    389,494.36x = 54,922,420,536.19
  5. Step 5: Solve for x
    x = 54,922,420,536.19/389,494.36
  6. Step 6: Final answer
    x = 141,009.54

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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.