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Finding the Fourth Proportional to 363,967.39, 502,276.98 and 211,096.18

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Solution

The fourth proportional to 363,967.39, 502,276.98 and 211,096.18 is: 291,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,967.39 : 502,276.98 = 211,096.18 : x
  2. Step 2: Convert to fraction form
    363,967.39/502,276.98 = 211,096.18/x
  3. Step 3: Cross multiply
    363,967.39x = 502,276.98 × 211,096.18
  4. Step 4: Simplify right side
    363,967.39x = 106,028,751,779.94
  5. Step 5: Solve for x
    x = 106,028,751,779.94/363,967.39
  6. Step 6: Final answer
    x = 291,313.88

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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.