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Finding the Fourth Proportional to 433,163.12, 597,525.12 and 251,855

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Solution

The fourth proportional to 433,163.12, 597,525.12 and 251,855 is: 347,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,163.12 : 597,525.12 = 251,855 : x
  2. Step 2: Convert to fraction form
    433,163.12/597,525.12 = 251,855/x
  3. Step 3: Cross multiply
    433,163.12x = 597,525.12 × 251,855
  4. Step 4: Simplify right side
    433,163.12x = 150,489,689,097.60
  5. Step 5: Solve for x
    x = 150,489,689,097.60/433,163.12
  6. Step 6: Final answer
    x = 347,420.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.