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Finding the Fourth Proportional to 349,498.65, 482,298.36 and 211,759.14

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Solution

The fourth proportional to 349,498.65, 482,298.36 and 211,759.14 is: 292,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,498.65 : 482,298.36 = 211,759.14 : x
  2. Step 2: Convert to fraction form
    349,498.65/482,298.36 = 211,759.14/x
  3. Step 3: Cross multiply
    349,498.65x = 482,298.36 × 211,759.14
  4. Step 4: Simplify right side
    349,498.65x = 102,131,085,937.01
  5. Step 5: Solve for x
    x = 102,131,085,937.01/349,498.65
  6. Step 6: Final answer
    x = 292,221.69

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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.