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Finding the Fourth Proportional to 496,937.80, 744,969.30 and 297,337.60

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Solution

The fourth proportional to 496,937.80, 744,969.30 and 297,337.60 is: 445,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,937.80 : 744,969.30 = 297,337.60 : x
  2. Step 2: Convert to fraction form
    496,937.80/744,969.30 = 297,337.60/x
  3. Step 3: Cross multiply
    496,937.80x = 744,969.30 × 297,337.60
  4. Step 4: Simplify right side
    496,937.80x = 221,507,383,735.68
  5. Step 5: Solve for x
    x = 221,507,383,735.68/496,937.80
  6. Step 6: Final answer
    x = 445,744.69

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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.