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Finding the Fourth Proportional to 329,941.82, 455,318.11 and 179,038.82

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Solution

The fourth proportional to 329,941.82, 455,318.11 and 179,038.82 is: 247,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,941.82 : 455,318.11 = 179,038.82 : x
  2. Step 2: Convert to fraction form
    329,941.82/455,318.11 = 179,038.82/x
  3. Step 3: Cross multiply
    329,941.82x = 455,318.11 × 179,038.82
  4. Step 4: Simplify right side
    329,941.82x = 81,519,618,501.12
  5. Step 5: Solve for x
    x = 81,519,618,501.12/329,941.82
  6. Step 6: Final answer
    x = 247,072.70

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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.