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Finding the Fourth Proportional to 349,368.63, 482,102.19 and 196,382.49

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Solution

The fourth proportional to 349,368.63, 482,102.19 and 196,382.49 is: 270,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,368.63 : 482,102.19 = 196,382.49 : x
  2. Step 2: Convert to fraction form
    349,368.63/482,102.19 = 196,382.49/x
  3. Step 3: Cross multiply
    349,368.63x = 482,102.19 × 196,382.49
  4. Step 4: Simplify right side
    349,368.63x = 94,676,428,506.65
  5. Step 5: Solve for x
    x = 94,676,428,506.65/349,368.63
  6. Step 6: Final answer
    x = 270,992.93

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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.