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Finding the Fourth Proportional to 329,027.20, 492,849.60 and 329,027.20

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Solution

The fourth proportional to 329,027.20, 492,849.60 and 329,027.20 is: 492,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,027.20 : 492,849.60 = 329,027.20 : x
  2. Step 2: Convert to fraction form
    329,027.20/492,849.60 = 329,027.20/x
  3. Step 3: Cross multiply
    329,027.20x = 492,849.60 × 329,027.20
  4. Step 4: Simplify right side
    329,027.20x = 162,160,923,909.12
  5. Step 5: Solve for x
    x = 162,160,923,909.12/329,027.20
  6. Step 6: Final answer
    x = 492,849.60

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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.