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Finding the Fourth Proportional to 461,352.12, 691,695.90 and 283,491.60

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Solution

The fourth proportional to 461,352.12, 691,695.90 and 283,491.60 is: 425,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,352.12 : 691,695.90 = 283,491.60 : x
  2. Step 2: Convert to fraction form
    461,352.12/691,695.90 = 283,491.60/x
  3. Step 3: Cross multiply
    461,352.12x = 691,695.90 × 283,491.60
  4. Step 4: Simplify right side
    461,352.12x = 196,089,977,404.44
  5. Step 5: Solve for x
    x = 196,089,977,404.44/461,352.12
  6. Step 6: Final answer
    x = 425,033.22

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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.