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Finding the Fourth Proportional to 325,908.64, 488,140.44 and 250,473.36

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Solution

The fourth proportional to 325,908.64, 488,140.44 and 250,473.36 is: 375,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,908.64 : 488,140.44 = 250,473.36 : x
  2. Step 2: Convert to fraction form
    325,908.64/488,140.44 = 250,473.36/x
  3. Step 3: Cross multiply
    325,908.64x = 488,140.44 × 250,473.36
  4. Step 4: Simplify right side
    325,908.64x = 122,266,176,158.68
  5. Step 5: Solve for x
    x = 122,266,176,158.68/325,908.64
  6. Step 6: Final answer
    x = 375,154.76

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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.