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Finding the Fourth Proportional to 488,940.60, 733,629.60 and 236,123.40

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Solution

The fourth proportional to 488,940.60, 733,629.60 and 236,123.40 is: 354,290.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,940.60 : 733,629.60 = 236,123.40 : x
  2. Step 2: Convert to fraction form
    488,940.60/733,629.60 = 236,123.40/x
  3. Step 3: Cross multiply
    488,940.60x = 733,629.60 × 236,123.40
  4. Step 4: Simplify right side
    488,940.60x = 173,227,115,492.64
  5. Step 5: Solve for x
    x = 173,227,115,492.64/488,940.60
  6. Step 6: Final answer
    x = 354,290.72

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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.