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Finding the Fourth Proportional to 339,433.20, 474,584.40 and 339,433.20

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Solution

The fourth proportional to 339,433.20, 474,584.40 and 339,433.20 is: 474,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,433.20 : 474,584.40 = 339,433.20 : x
  2. Step 2: Convert to fraction form
    339,433.20/474,584.40 = 339,433.20/x
  3. Step 3: Cross multiply
    339,433.20x = 474,584.40 × 339,433.20
  4. Step 4: Simplify right side
    339,433.20x = 161,089,701,562.08
  5. Step 5: Solve for x
    x = 161,089,701,562.08/339,433.20
  6. Step 6: Final answer
    x = 474,584.40

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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.