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Finding the Fourth Proportional to 647,525.80, 970,899.90 and 332,597.80

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Solution

The fourth proportional to 647,525.80, 970,899.90 and 332,597.80 is: 498,697.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,525.80 : 970,899.90 = 332,597.80 : x
  2. Step 2: Convert to fraction form
    647,525.80/970,899.90 = 332,597.80/x
  3. Step 3: Cross multiply
    647,525.80x = 970,899.90 × 332,597.80
  4. Step 4: Simplify right side
    647,525.80x = 322,919,170,760.22
  5. Step 5: Solve for x
    x = 322,919,170,760.22/647,525.80
  6. Step 6: Final answer
    x = 498,697.00

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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.