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Finding the Fourth Proportional to 368,161.20, 552,241.80 and 256,186.80

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Solution

The fourth proportional to 368,161.20, 552,241.80 and 256,186.80 is: 384,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,161.20 : 552,241.80 = 256,186.80 : x
  2. Step 2: Convert to fraction form
    368,161.20/552,241.80 = 256,186.80/x
  3. Step 3: Cross multiply
    368,161.20x = 552,241.80 × 256,186.80
  4. Step 4: Simplify right side
    368,161.20x = 141,477,059,568.24
  5. Step 5: Solve for x
    x = 141,477,059,568.24/368,161.20
  6. Step 6: Final answer
    x = 384,280.20

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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.