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Finding the Fourth Proportional to 365,906.20, 549,204.90 and 225,938.20

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Solution

The fourth proportional to 365,906.20, 549,204.90 and 225,938.20 is: 339,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,906.20 : 549,204.90 = 225,938.20 : x
  2. Step 2: Convert to fraction form
    365,906.20/549,204.90 = 225,938.20/x
  3. Step 3: Cross multiply
    365,906.20x = 549,204.90 × 225,938.20
  4. Step 4: Simplify right side
    365,906.20x = 124,086,366,537.18
  5. Step 5: Solve for x
    x = 124,086,366,537.18/365,906.20
  6. Step 6: Final answer
    x = 339,120.70

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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.