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Finding the Fourth Proportional to 349,634.82, 524,376.34 and 125,010.78

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Solution

The fourth proportional to 349,634.82, 524,376.34 and 125,010.78 is: 187,489.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,634.82 : 524,376.34 = 125,010.78 : x
  2. Step 2: Convert to fraction form
    349,634.82/524,376.34 = 125,010.78/x
  3. Step 3: Cross multiply
    349,634.82x = 524,376.34 × 125,010.78
  4. Step 4: Simplify right side
    349,634.82x = 65,552,695,276.95
  5. Step 5: Solve for x
    x = 65,552,695,276.95/349,634.82
  6. Step 6: Final answer
    x = 187,489.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.