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Finding the Fourth Proportional to 350,535.50, 483,739 and 199,646.54

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Solution

The fourth proportional to 350,535.50, 483,739 and 199,646.54 is: 275,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,535.50 : 483,739 = 199,646.54 : x
  2. Step 2: Convert to fraction form
    350,535.50/483,739 = 199,646.54/x
  3. Step 3: Cross multiply
    350,535.50x = 483,739 × 199,646.54
  4. Step 4: Simplify right side
    350,535.50x = 96,576,817,613.06
  5. Step 5: Solve for x
    x = 96,576,817,613.06/350,535.50
  6. Step 6: Final answer
    x = 275,512.23

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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.