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Finding the Fourth Proportional to 350,364.30, 483,502.61 and 189,219.38

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Solution

The fourth proportional to 350,364.30, 483,502.61 and 189,219.38 is: 261,122.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,364.30 : 483,502.61 = 189,219.38 : x
  2. Step 2: Convert to fraction form
    350,364.30/483,502.61 = 189,219.38/x
  3. Step 3: Cross multiply
    350,364.30x = 483,502.61 × 189,219.38
  4. Step 4: Simplify right side
    350,364.30x = 91,488,065,774.39
  5. Step 5: Solve for x
    x = 91,488,065,774.39/350,364.30
  6. Step 6: Final answer
    x = 261,122.68

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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.