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Finding the Fourth Proportional to 565,513.08, 848,295.54 and 400,039.80

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Solution

The fourth proportional to 565,513.08, 848,295.54 and 400,039.80 is: 600,078.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,513.08 : 848,295.54 = 400,039.80 : x
  2. Step 2: Convert to fraction form
    565,513.08/848,295.54 = 400,039.80/x
  3. Step 3: Cross multiply
    565,513.08x = 848,295.54 × 400,039.80
  4. Step 4: Simplify right side
    565,513.08x = 339,351,978,162.49
  5. Step 5: Solve for x
    x = 339,351,978,162.49/565,513.08
  6. Step 6: Final answer
    x = 600,078.04

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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.