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Finding the Fourth Proportional to 535,373.68, 801,989.84 and 322,023.76

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Solution

The fourth proportional to 535,373.68, 801,989.84 and 322,023.76 is: 482,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,373.68 : 801,989.84 = 322,023.76 : x
  2. Step 2: Convert to fraction form
    535,373.68/801,989.84 = 322,023.76/x
  3. Step 3: Cross multiply
    535,373.68x = 801,989.84 × 322,023.76
  4. Step 4: Simplify right side
    535,373.68x = 258,259,783,758.60
  5. Step 5: Solve for x
    x = 258,259,783,758.60/535,373.68
  6. Step 6: Final answer
    x = 482,391.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.