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Finding the Fourth Proportional to 375,896.08, 518,704.50 and 212,544.58

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Solution

The fourth proportional to 375,896.08, 518,704.50 and 212,544.58 is: 293,293.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,896.08 : 518,704.50 = 212,544.58 : x
  2. Step 2: Convert to fraction form
    375,896.08/518,704.50 = 212,544.58/x
  3. Step 3: Cross multiply
    375,896.08x = 518,704.50 × 212,544.58
  4. Step 4: Simplify right side
    375,896.08x = 110,247,830,096.61
  5. Step 5: Solve for x
    x = 110,247,830,096.61/375,896.08
  6. Step 6: Final answer
    x = 293,293.38

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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.