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Finding the Fourth Proportional to 375,871.59, 518,696.46 and 212,525.44

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Solution

The fourth proportional to 375,871.59, 518,696.46 and 212,525.44 is: 293,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,871.59 : 518,696.46 = 212,525.44 : x
  2. Step 2: Convert to fraction form
    375,871.59/518,696.46 = 212,525.44/x
  3. Step 3: Cross multiply
    375,871.59x = 518,696.46 × 212,525.44
  4. Step 4: Simplify right side
    375,871.59x = 110,236,192,091.20
  5. Step 5: Solve for x
    x = 110,236,192,091.20/375,871.59
  6. Step 6: Final answer
    x = 293,281.52

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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.