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Finding the Fourth Proportional to 365,956.83, 505,073.43 and 210,877.88

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Solution

The fourth proportional to 365,956.83, 505,073.43 and 210,877.88 is: 291,042.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,956.83 : 505,073.43 = 210,877.88 : x
  2. Step 2: Convert to fraction form
    365,956.83/505,073.43 = 210,877.88/x
  3. Step 3: Cross multiply
    365,956.83x = 505,073.43 × 210,877.88
  4. Step 4: Simplify right side
    365,956.83x = 106,508,811,637.36
  5. Step 5: Solve for x
    x = 106,508,811,637.36/365,956.83
  6. Step 6: Final answer
    x = 291,042.01

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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.