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Finding the Fourth Proportional to 325,475.98, 488,237.36 and 112,240.82

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Solution

The fourth proportional to 325,475.98, 488,237.36 and 112,240.82 is: 168,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,475.98 : 488,237.36 = 112,240.82 : x
  2. Step 2: Convert to fraction form
    325,475.98/488,237.36 = 112,240.82/x
  3. Step 3: Cross multiply
    325,475.98x = 488,237.36 × 112,240.82
  4. Step 4: Simplify right side
    325,475.98x = 54,800,161,641.04
  5. Step 5: Solve for x
    x = 54,800,161,641.04/325,475.98
  6. Step 6: Final answer
    x = 168,369.30

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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.