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Finding the Fourth Proportional to 565,440.20, 848,148.63 and 186,383.69

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Solution

The fourth proportional to 565,440.20, 848,148.63 and 186,383.69 is: 279,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,440.20 : 848,148.63 = 186,383.69 : x
  2. Step 2: Convert to fraction form
    565,440.20/848,148.63 = 186,383.69/x
  3. Step 3: Cross multiply
    565,440.20x = 848,148.63 × 186,383.69
  4. Step 4: Simplify right side
    565,440.20x = 158,081,067,087.10
  5. Step 5: Solve for x
    x = 158,081,067,087.10/565,440.20
  6. Step 6: Final answer
    x = 279,571.68

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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.