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Finding the Fourth Proportional to 297,076.80, 445,615.20 and 294,452.40

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Solution

The fourth proportional to 297,076.80, 445,615.20 and 294,452.40 is: 441,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,076.80 : 445,615.20 = 294,452.40 : x
  2. Step 2: Convert to fraction form
    297,076.80/445,615.20 = 294,452.40/x
  3. Step 3: Cross multiply
    297,076.80x = 445,615.20 × 294,452.40
  4. Step 4: Simplify right side
    297,076.80x = 131,212,465,116.48
  5. Step 5: Solve for x
    x = 131,212,465,116.48/297,076.80
  6. Step 6: Final answer
    x = 441,678.60

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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.