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Finding the Fourth Proportional to 270,804.63, 373,680.20 and 149,915.64

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Solution

The fourth proportional to 270,804.63, 373,680.20 and 149,915.64 is: 206,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,804.63 : 373,680.20 = 149,915.64 : x
  2. Step 2: Convert to fraction form
    270,804.63/373,680.20 = 149,915.64/x
  3. Step 3: Cross multiply
    270,804.63x = 373,680.20 × 149,915.64
  4. Step 4: Simplify right side
    270,804.63x = 56,020,503,720.35
  5. Step 5: Solve for x
    x = 56,020,503,720.35/270,804.63
  6. Step 6: Final answer
    x = 206,866.86

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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.