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Finding the Fourth Proportional to 368,563.03, 508,809 and 248,336.35

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Solution

The fourth proportional to 368,563.03, 508,809 and 248,336.35 is: 342,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,563.03 : 508,809 = 248,336.35 : x
  2. Step 2: Convert to fraction form
    368,563.03/508,809 = 248,336.35/x
  3. Step 3: Cross multiply
    368,563.03x = 508,809 × 248,336.35
  4. Step 4: Simplify right side
    368,563.03x = 126,355,769,907.15
  5. Step 5: Solve for x
    x = 126,355,769,907.15/368,563.03
  6. Step 6: Final answer
    x = 342,833.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.