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Finding the Fourth Proportional to 371,505.28, 512,627.52 and 237,274.24

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Solution

The fourth proportional to 371,505.28, 512,627.52 and 237,274.24 is: 327,406.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,505.28 : 512,627.52 = 237,274.24 : x
  2. Step 2: Convert to fraction form
    371,505.28/512,627.52 = 237,274.24/x
  3. Step 3: Cross multiply
    371,505.28x = 512,627.52 × 237,274.24
  4. Step 4: Simplify right side
    371,505.28x = 121,633,305,211.09
  5. Step 5: Solve for x
    x = 121,633,305,211.09/371,505.28
  6. Step 6: Final answer
    x = 327,406.67

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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.