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Finding the Fourth Proportional to 297,770.40, 446,655.60 and 277,941.60

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Solution

The fourth proportional to 297,770.40, 446,655.60 and 277,941.60 is: 416,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,770.40 : 446,655.60 = 277,941.60 : x
  2. Step 2: Convert to fraction form
    297,770.40/446,655.60 = 277,941.60/x
  3. Step 3: Cross multiply
    297,770.40x = 446,655.60 × 277,941.60
  4. Step 4: Simplify right side
    297,770.40x = 124,144,172,112.96
  5. Step 5: Solve for x
    x = 124,144,172,112.96/297,770.40
  6. Step 6: Final answer
    x = 416,912.40

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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.