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Finding the Fourth Proportional to 349,293, 482,024.34 and 190,317

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Solution

The fourth proportional to 349,293, 482,024.34 and 190,317 is: 262,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,293 : 482,024.34 = 190,317 : x
  2. Step 2: Convert to fraction form
    349,293/482,024.34 = 190,317/x
  3. Step 3: Cross multiply
    349,293x = 482,024.34 × 190,317
  4. Step 4: Simplify right side
    349,293x = 91,737,426,315.78
  5. Step 5: Solve for x
    x = 91,737,426,315.78/349,293
  6. Step 6: Final answer
    x = 262,637.46

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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.