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Finding the Fourth Proportional to 367,004.60, 550,506.90 and 340,432.55

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Solution

The fourth proportional to 367,004.60, 550,506.90 and 340,432.55 is: 510,648.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,004.60 : 550,506.90 = 340,432.55 : x
  2. Step 2: Convert to fraction form
    367,004.60/550,506.90 = 340,432.55/x
  3. Step 3: Cross multiply
    367,004.60x = 550,506.90 × 340,432.55
  4. Step 4: Simplify right side
    367,004.60x = 187,410,467,759.60
  5. Step 5: Solve for x
    x = 187,410,467,759.60/367,004.60
  6. Step 6: Final answer
    x = 510,648.83

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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.