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Finding the Fourth Proportional to 308,588.63, 425,813.29 and 179,568.88

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Solution

The fourth proportional to 308,588.63, 425,813.29 and 179,568.88 is: 247,782.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,588.63 : 425,813.29 = 179,568.88 : x
  2. Step 2: Convert to fraction form
    308,588.63/425,813.29 = 179,568.88/x
  3. Step 3: Cross multiply
    308,588.63x = 425,813.29 × 179,568.88
  4. Step 4: Simplify right side
    308,588.63x = 76,462,814,060.96
  5. Step 5: Solve for x
    x = 76,462,814,060.96/308,588.63
  6. Step 6: Final answer
    x = 247,782.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.