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Finding the Fourth Proportional to 508,171.20, 762,749.16 and 271,680.24

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Solution

The fourth proportional to 508,171.20, 762,749.16 and 271,680.24 is: 407,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,171.20 : 762,749.16 = 271,680.24 : x
  2. Step 2: Convert to fraction form
    508,171.20/762,749.16 = 271,680.24/x
  3. Step 3: Cross multiply
    508,171.20x = 762,749.16 × 271,680.24
  4. Step 4: Simplify right side
    508,171.20x = 207,223,874,848.60
  5. Step 5: Solve for x
    x = 207,223,874,848.60/508,171.20
  6. Step 6: Final answer
    x = 407,783.59

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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.