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Finding the Fourth Proportional to 425,233.88, 637,629.36 and 158,775.26

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Solution

The fourth proportional to 425,233.88, 637,629.36 and 158,775.26 is: 238,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,233.88 : 637,629.36 = 158,775.26 : x
  2. Step 2: Convert to fraction form
    425,233.88/637,629.36 = 158,775.26/x
  3. Step 3: Cross multiply
    425,233.88x = 637,629.36 × 158,775.26
  4. Step 4: Simplify right side
    425,233.88x = 101,239,764,229.49
  5. Step 5: Solve for x
    x = 101,239,764,229.49/425,233.88
  6. Step 6: Final answer
    x = 238,080.20

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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.