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Finding the Fourth Proportional to 368,190.40, 552,285.60 and 118,872.40

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Solution

The fourth proportional to 368,190.40, 552,285.60 and 118,872.40 is: 178,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,190.40 : 552,285.60 = 118,872.40 : x
  2. Step 2: Convert to fraction form
    368,190.40/552,285.60 = 118,872.40/x
  3. Step 3: Cross multiply
    368,190.40x = 552,285.60 × 118,872.40
  4. Step 4: Simplify right side
    368,190.40x = 65,651,514,757.44
  5. Step 5: Solve for x
    x = 65,651,514,757.44/368,190.40
  6. Step 6: Final answer
    x = 178,308.60

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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.