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Finding the Fourth Proportional to 325,682.57, 488,646.88 and 126,014.94

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Solution

The fourth proportional to 325,682.57, 488,646.88 and 126,014.94 is: 189,070.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,682.57 : 488,646.88 = 126,014.94 : x
  2. Step 2: Convert to fraction form
    325,682.57/488,646.88 = 126,014.94/x
  3. Step 3: Cross multiply
    325,682.57x = 488,646.88 × 126,014.94
  4. Step 4: Simplify right side
    325,682.57x = 61,576,806,949.35
  5. Step 5: Solve for x
    x = 61,576,806,949.35/325,682.57
  6. Step 6: Final answer
    x = 189,070.01

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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.