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Finding the Fourth Proportional to 592,956.18, 818,280.06 and 321,024.26

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Solution

The fourth proportional to 592,956.18, 818,280.06 and 321,024.26 is: 443,013.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,956.18 : 818,280.06 = 321,024.26 : x
  2. Step 2: Convert to fraction form
    592,956.18/818,280.06 = 321,024.26/x
  3. Step 3: Cross multiply
    592,956.18x = 818,280.06 × 321,024.26
  4. Step 4: Simplify right side
    592,956.18x = 262,687,752,930.43
  5. Step 5: Solve for x
    x = 262,687,752,930.43/592,956.18
  6. Step 6: Final answer
    x = 443,013.77

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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.