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Finding the Fourth Proportional to 273,412.10, 410,118.15 and 211,204.10

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Solution

The fourth proportional to 273,412.10, 410,118.15 and 211,204.10 is: 316,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,412.10 : 410,118.15 = 211,204.10 : x
  2. Step 2: Convert to fraction form
    273,412.10/410,118.15 = 211,204.10/x
  3. Step 3: Cross multiply
    273,412.10x = 410,118.15 × 211,204.10
  4. Step 4: Simplify right side
    273,412.10x = 86,618,634,764.42
  5. Step 5: Solve for x
    x = 86,618,634,764.42/273,412.10
  6. Step 6: Final answer
    x = 316,806.15

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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.