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Finding the Fourth Proportional to 364,052.78, 502,351.30 and 211,059.07

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Solution

The fourth proportional to 364,052.78, 502,351.30 and 211,059.07 is: 291,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,052.78 : 502,351.30 = 211,059.07 : x
  2. Step 2: Convert to fraction form
    364,052.78/502,351.30 = 211,059.07/x
  3. Step 3: Cross multiply
    364,052.78x = 502,351.30 × 211,059.07
  4. Step 4: Simplify right side
    364,052.78x = 106,025,796,407.77
  5. Step 5: Solve for x
    x = 106,025,796,407.77/364,052.78
  6. Step 6: Final answer
    x = 291,237.44

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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.