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Finding the Fourth Proportional to 565,538.56, 848,285.70 and 191,561.56

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Solution

The fourth proportional to 565,538.56, 848,285.70 and 191,561.56 is: 287,334.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,538.56 : 848,285.70 = 191,561.56 : x
  2. Step 2: Convert to fraction form
    565,538.56/848,285.70 = 191,561.56/x
  3. Step 3: Cross multiply
    565,538.56x = 848,285.70 × 191,561.56
  4. Step 4: Simplify right side
    565,538.56x = 162,498,932,017.69
  5. Step 5: Solve for x
    x = 162,498,932,017.69/565,538.56
  6. Step 6: Final answer
    x = 287,334.84

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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.