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Finding the Fourth Proportional to 333,846.45, 500,769.68 and 200,658.15

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Solution

The fourth proportional to 333,846.45, 500,769.68 and 200,658.15 is: 300,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,846.45 : 500,769.68 = 200,658.15 : x
  2. Step 2: Convert to fraction form
    333,846.45/500,769.68 = 200,658.15/x
  3. Step 3: Cross multiply
    333,846.45x = 500,769.68 × 200,658.15
  4. Step 4: Simplify right side
    333,846.45x = 100,483,516,561.60
  5. Step 5: Solve for x
    x = 100,483,516,561.60/333,846.45
  6. Step 6: Final answer
    x = 300,987.23

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1.5x scale

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.