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Finding the Fourth Proportional to 349,326, 482,069.88 and 190,350

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Solution

The fourth proportional to 349,326, 482,069.88 and 190,350 is: 262,683

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,326 : 482,069.88 = 190,350 : x
  2. Step 2: Convert to fraction form
    349,326/482,069.88 = 190,350/x
  3. Step 3: Cross multiply
    349,326x = 482,069.88 × 190,350
  4. Step 4: Simplify right side
    349,326x = 91,762,001,658
  5. Step 5: Solve for x
    x = 91,762,001,658/349,326
  6. Step 6: Final answer
    x = 262,683

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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.