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Finding the Fourth Proportional to 416,242.96, 574,441.24 and 234,985.60

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Solution

The fourth proportional to 416,242.96, 574,441.24 and 234,985.60 is: 324,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,242.96 : 574,441.24 = 234,985.60 : x
  2. Step 2: Convert to fraction form
    416,242.96/574,441.24 = 234,985.60/x
  3. Step 3: Cross multiply
    416,242.96x = 574,441.24 × 234,985.60
  4. Step 4: Simplify right side
    416,242.96x = 134,985,419,446.14
  5. Step 5: Solve for x
    x = 134,985,419,446.14/416,242.96
  6. Step 6: Final answer
    x = 324,294.78

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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.