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Finding the Fourth Proportional to 402,418.20, 603,627.30 and 337,464.30

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Solution

The fourth proportional to 402,418.20, 603,627.30 and 337,464.30 is: 506,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,418.20 : 603,627.30 = 337,464.30 : x
  2. Step 2: Convert to fraction form
    402,418.20/603,627.30 = 337,464.30/x
  3. Step 3: Cross multiply
    402,418.20x = 603,627.30 × 337,464.30
  4. Step 4: Simplify right side
    402,418.20x = 203,702,664,255.39
  5. Step 5: Solve for x
    x = 203,702,664,255.39/402,418.20
  6. Step 6: Final answer
    x = 506,196.45

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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.