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Finding the Fourth Proportional to 565,969.75, 848,749.08 and 309,992.34

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Solution

The fourth proportional to 565,969.75, 848,749.08 and 309,992.34 is: 464,875.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,969.75 : 848,749.08 = 309,992.34 : x
  2. Step 2: Convert to fraction form
    565,969.75/848,749.08 = 309,992.34/x
  3. Step 3: Cross multiply
    565,969.75x = 848,749.08 × 309,992.34
  4. Step 4: Simplify right side
    565,969.75x = 263,105,713,382.05
  5. Step 5: Solve for x
    x = 263,105,713,382.05/565,969.75
  6. Step 6: Final answer
    x = 464,875.93

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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.