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Finding the Fourth Proportional to 283,858.70, 425,271.36 and 165,170.22

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Solution

The fourth proportional to 283,858.70, 425,271.36 and 165,170.22 is: 247,454.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,858.70 : 425,271.36 = 165,170.22 : x
  2. Step 2: Convert to fraction form
    283,858.70/425,271.36 = 165,170.22/x
  3. Step 3: Cross multiply
    283,858.70x = 425,271.36 × 165,170.22
  4. Step 4: Simplify right side
    283,858.70x = 70,242,164,090.90
  5. Step 5: Solve for x
    x = 70,242,164,090.90/283,858.70
  6. Step 6: Final answer
    x = 247,454.68

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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.