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Finding the Fourth Proportional to 341,627.60, 511,231.80 and 297,736.40

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Solution

The fourth proportional to 341,627.60, 511,231.80 and 297,736.40 is: 445,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,627.60 : 511,231.80 = 297,736.40 : x
  2. Step 2: Convert to fraction form
    341,627.60/511,231.80 = 297,736.40/x
  3. Step 3: Cross multiply
    341,627.60x = 511,231.80 × 297,736.40
  4. Step 4: Simplify right side
    341,627.60x = 152,212,315,697.52
  5. Step 5: Solve for x
    x = 152,212,315,697.52/341,627.60
  6. Step 6: Final answer
    x = 445,550.41

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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.