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Finding the Fourth Proportional to 425,255.36, 637,661.64 and 158,796.77

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Solution

The fourth proportional to 425,255.36, 637,661.64 and 158,796.77 is: 238,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,255.36 : 637,661.64 = 158,796.77 : x
  2. Step 2: Convert to fraction form
    425,255.36/637,661.64 = 158,796.77/x
  3. Step 3: Cross multiply
    425,255.36x = 637,661.64 × 158,796.77
  4. Step 4: Simplify right side
    425,255.36x = 101,258,608,784.90
  5. Step 5: Solve for x
    x = 101,258,608,784.90/425,255.36
  6. Step 6: Final answer
    x = 238,112.48

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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.