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Finding the Fourth Proportional to 349,277, 482,002.26 and 190,301

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Solution

The fourth proportional to 349,277, 482,002.26 and 190,301 is: 262,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,277 : 482,002.26 = 190,301 : x
  2. Step 2: Convert to fraction form
    349,277/482,002.26 = 190,301/x
  3. Step 3: Cross multiply
    349,277x = 482,002.26 × 190,301
  4. Step 4: Simplify right side
    349,277x = 91,725,512,080.26
  5. Step 5: Solve for x
    x = 91,725,512,080.26/349,277
  6. Step 6: Final answer
    x = 262,615.38

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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.