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Finding the Fourth Proportional to 375,758.88, 518,536.53 and 214,610.60

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Solution

The fourth proportional to 375,758.88, 518,536.53 and 214,610.60 is: 296,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,758.88 : 518,536.53 = 214,610.60 : x
  2. Step 2: Convert to fraction form
    375,758.88/518,536.53 = 214,610.60/x
  3. Step 3: Cross multiply
    375,758.88x = 518,536.53 × 214,610.60
  4. Step 4: Simplify right side
    375,758.88x = 111,283,433,232.54
  5. Step 5: Solve for x
    x = 111,283,433,232.54/375,758.88
  6. Step 6: Final answer
    x = 296,156.50

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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.