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Finding the Fourth Proportional to 293,313, 404,776.80 and 159,177

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Solution

The fourth proportional to 293,313, 404,776.80 and 159,177 is: 219,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,313 : 404,776.80 = 159,177 : x
  2. Step 2: Convert to fraction form
    293,313/404,776.80 = 159,177/x
  3. Step 3: Cross multiply
    293,313x = 404,776.80 × 159,177
  4. Step 4: Simplify right side
    293,313x = 64,431,156,693.60
  5. Step 5: Solve for x
    x = 64,431,156,693.60/293,313
  6. Step 6: Final answer
    x = 219,666.90

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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.