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Finding the Fourth Proportional to 444,001.20, 664,689.60 and 294,410.40

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Solution

The fourth proportional to 444,001.20, 664,689.60 and 294,410.40 is: 440,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,001.20 : 664,689.60 = 294,410.40 : x
  2. Step 2: Convert to fraction form
    444,001.20/664,689.60 = 294,410.40/x
  3. Step 3: Cross multiply
    444,001.20x = 664,689.60 × 294,410.40
  4. Step 4: Simplify right side
    444,001.20x = 195,691,531,011.84
  5. Step 5: Solve for x
    x = 195,691,531,011.84/444,001.20
  6. Step 6: Final answer
    x = 440,745.50

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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.