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Finding the Fourth Proportional to 592,956.85, 818,279.95 and 321,027.09

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Solution

The fourth proportional to 592,956.85, 818,279.95 and 321,027.09 is: 443,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,956.85 : 818,279.95 = 321,027.09 : x
  2. Step 2: Convert to fraction form
    592,956.85/818,279.95 = 321,027.09/x
  3. Step 3: Cross multiply
    592,956.85x = 818,279.95 × 321,027.09
  4. Step 4: Simplify right side
    592,956.85x = 262,690,031,153.85
  5. Step 5: Solve for x
    x = 262,690,031,153.85/592,956.85
  6. Step 6: Final answer
    x = 443,017.11

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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.