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Finding the Fourth Proportional to 526,594.95, 789,412.59 and 189,556.38

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Solution

The fourth proportional to 526,594.95, 789,412.59 and 189,556.38 is: 284,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,594.95 : 789,412.59 = 189,556.38 : x
  2. Step 2: Convert to fraction form
    526,594.95/789,412.59 = 189,556.38/x
  3. Step 3: Cross multiply
    526,594.95x = 789,412.59 × 189,556.38
  4. Step 4: Simplify right side
    526,594.95x = 149,638,192,886.82
  5. Step 5: Solve for x
    x = 149,638,192,886.82/526,594.95
  6. Step 6: Final answer
    x = 284,161.85

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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.