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Finding the Fourth Proportional to 592,960.86, 818,285.46 and 321,031.10

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Solution

The fourth proportional to 592,960.86, 818,285.46 and 321,031.10 is: 443,022.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,960.86 : 818,285.46 = 321,031.10 : x
  2. Step 2: Convert to fraction form
    592,960.86/818,285.46 = 321,031.10/x
  3. Step 3: Cross multiply
    592,960.86x = 818,285.46 × 321,031.10
  4. Step 4: Simplify right side
    592,960.86x = 262,695,081,337.81
  5. Step 5: Solve for x
    x = 262,695,081,337.81/592,960.86
  6. Step 6: Final answer
    x = 443,022.63

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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.