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Finding the Fourth Proportional to 397,384.37, 595,703.85 and 144,601.80

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Solution

The fourth proportional to 397,384.37, 595,703.85 and 144,601.80 is: 216,767.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,384.37 : 595,703.85 = 144,601.80 : x
  2. Step 2: Convert to fraction form
    397,384.37/595,703.85 = 144,601.80/x
  3. Step 3: Cross multiply
    397,384.37x = 595,703.85 × 144,601.80
  4. Step 4: Simplify right side
    397,384.37x = 86,139,848,976.93
  5. Step 5: Solve for x
    x = 86,139,848,976.93/397,384.37
  6. Step 6: Final answer
    x = 216,767.08

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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.