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Finding the Fourth Proportional to 379,287.77, 569,045.82 and 113,048.26

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Solution

The fourth proportional to 379,287.77, 569,045.82 and 113,048.26 is: 169,606.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,287.77 : 569,045.82 = 113,048.26 : x
  2. Step 2: Convert to fraction form
    379,287.77/569,045.82 = 113,048.26/x
  3. Step 3: Cross multiply
    379,287.77x = 569,045.82 × 113,048.26
  4. Step 4: Simplify right side
    379,287.77x = 64,329,639,811.27
  5. Step 5: Solve for x
    x = 64,329,639,811.27/379,287.77
  6. Step 6: Final answer
    x = 169,606.42

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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.