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Finding the Fourth Proportional to 349,327, 482,071.26 and 190,351

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Solution

The fourth proportional to 349,327, 482,071.26 and 190,351 is: 262,684.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,327 : 482,071.26 = 190,351 : x
  2. Step 2: Convert to fraction form
    349,327/482,071.26 = 190,351/x
  3. Step 3: Cross multiply
    349,327x = 482,071.26 × 190,351
  4. Step 4: Simplify right side
    349,327x = 91,762,746,412.26
  5. Step 5: Solve for x
    x = 91,762,746,412.26/349,327
  6. Step 6: Final answer
    x = 262,684.38

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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.