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Finding the Fourth Proportional to 389,083.32, 583,575.84 and 104,796.54

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Solution

The fourth proportional to 389,083.32, 583,575.84 and 104,796.54 is: 157,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,083.32 : 583,575.84 = 104,796.54 : x
  2. Step 2: Convert to fraction form
    389,083.32/583,575.84 = 104,796.54/x
  3. Step 3: Cross multiply
    389,083.32x = 583,575.84 × 104,796.54
  4. Step 4: Simplify right side
    389,083.32x = 61,156,728,859.59
  5. Step 5: Solve for x
    x = 61,156,728,859.59/389,083.32
  6. Step 6: Final answer
    x = 157,181.57

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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.