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Finding the Fourth Proportional to 339,273.20, 474,360.40 and 339,273.20

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Solution

The fourth proportional to 339,273.20, 474,360.40 and 339,273.20 is: 474,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,273.20 : 474,360.40 = 339,273.20 : x
  2. Step 2: Convert to fraction form
    339,273.20/474,360.40 = 339,273.20/x
  3. Step 3: Cross multiply
    339,273.20x = 474,360.40 × 339,273.20
  4. Step 4: Simplify right side
    339,273.20x = 160,937,770,861.28
  5. Step 5: Solve for x
    x = 160,937,770,861.28/339,273.20
  6. Step 6: Final answer
    x = 474,360.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.