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Finding the Fourth Proportional to 350,514.14, 483,709.74 and 189,369.10

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Solution

The fourth proportional to 350,514.14, 483,709.74 and 189,369.10 is: 261,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,514.14 : 483,709.74 = 189,369.10 : x
  2. Step 2: Convert to fraction form
    350,514.14/483,709.74 = 189,369.10/x
  3. Step 3: Cross multiply
    350,514.14x = 483,709.74 × 189,369.10
  4. Step 4: Simplify right side
    350,514.14x = 91,599,678,125.03
  5. Step 5: Solve for x
    x = 91,599,678,125.03/350,514.14
  6. Step 6: Final answer
    x = 261,329.48

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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.