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Finding the Fourth Proportional to 193,608.40, 290,412.60 and 162,504.40

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Solution

The fourth proportional to 193,608.40, 290,412.60 and 162,504.40 is: 243,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,608.40 : 290,412.60 = 162,504.40 : x
  2. Step 2: Convert to fraction form
    193,608.40/290,412.60 = 162,504.40/x
  3. Step 3: Cross multiply
    193,608.40x = 290,412.60 × 162,504.40
  4. Step 4: Simplify right side
    193,608.40x = 47,193,325,315.44
  5. Step 5: Solve for x
    x = 47,193,325,315.44/193,608.40
  6. Step 6: Final answer
    x = 243,756.60

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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.