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Finding the Fourth Proportional to 416,672.72, 574,630.40 and 273,378.32

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Solution

The fourth proportional to 416,672.72, 574,630.40 and 273,378.32 is: 377,014.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,672.72 : 574,630.40 = 273,378.32 : x
  2. Step 2: Convert to fraction form
    416,672.72/574,630.40 = 273,378.32/x
  3. Step 3: Cross multiply
    416,672.72x = 574,630.40 × 273,378.32
  4. Step 4: Simplify right side
    416,672.72x = 157,091,493,372.93
  5. Step 5: Solve for x
    x = 157,091,493,372.93/416,672.72
  6. Step 6: Final answer
    x = 377,014.11

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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.