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Finding the Fourth Proportional to 199,597.52, 275,478.76 and 190,629.20

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Solution

The fourth proportional to 199,597.52, 275,478.76 and 190,629.20 is: 263,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,597.52 : 275,478.76 = 190,629.20 : x
  2. Step 2: Convert to fraction form
    199,597.52/275,478.76 = 190,629.20/x
  3. Step 3: Cross multiply
    199,597.52x = 275,478.76 × 190,629.20
  4. Step 4: Simplify right side
    199,597.52x = 52,514,295,635.79
  5. Step 5: Solve for x
    x = 52,514,295,635.79/199,597.52
  6. Step 6: Final answer
    x = 263,100.94

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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.