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Finding the Fourth Proportional to 349,354.76, 482,083.01 and 196,368.64

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Solution

The fourth proportional to 349,354.76, 482,083.01 and 196,368.64 is: 270,973.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,354.76 : 482,083.01 = 196,368.64 : x
  2. Step 2: Convert to fraction form
    349,354.76/482,083.01 = 196,368.64/x
  3. Step 3: Cross multiply
    349,354.76x = 482,083.01 × 196,368.64
  4. Step 4: Simplify right side
    349,354.76x = 94,665,983,590.14
  5. Step 5: Solve for x
    x = 94,665,983,590.14/349,354.76
  6. Step 6: Final answer
    x = 270,973.79

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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.