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Finding the Fourth Proportional to 290,010.14, 435,173.77 and 112,524.15

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Solution

The fourth proportional to 290,010.14, 435,173.77 and 112,524.15 is: 168,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,010.14 : 435,173.77 = 112,524.15 : x
  2. Step 2: Convert to fraction form
    290,010.14/435,173.77 = 112,524.15/x
  3. Step 3: Cross multiply
    290,010.14x = 435,173.77 × 112,524.15
  4. Step 4: Simplify right side
    290,010.14x = 48,967,558,571.55
  5. Step 5: Solve for x
    x = 48,967,558,571.55/290,010.14
  6. Step 6: Final answer
    x = 168,847.75

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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.