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Finding the Fourth Proportional to 647,336.12, 970,330.44 and 362,609.24

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Solution

The fourth proportional to 647,336.12, 970,330.44 and 362,609.24 is: 543,536.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,336.12 : 970,330.44 = 362,609.24 : x
  2. Step 2: Convert to fraction form
    647,336.12/970,330.44 = 362,609.24/x
  3. Step 3: Cross multiply
    647,336.12x = 970,330.44 × 362,609.24
  4. Step 4: Simplify right side
    647,336.12x = 351,850,783,397.27
  5. Step 5: Solve for x
    x = 351,850,783,397.27/647,336.12
  6. Step 6: Final answer
    x = 543,536.46

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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.