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Finding the Fourth Proportional to 322,402.60, 483,603.90 and 296,814.70

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Solution

The fourth proportional to 322,402.60, 483,603.90 and 296,814.70 is: 445,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,402.60 : 483,603.90 = 296,814.70 : x
  2. Step 2: Convert to fraction form
    322,402.60/483,603.90 = 296,814.70/x
  3. Step 3: Cross multiply
    322,402.60x = 483,603.90 × 296,814.70
  4. Step 4: Simplify right side
    322,402.60x = 143,540,746,497.33
  5. Step 5: Solve for x
    x = 143,540,746,497.33/322,402.60
  6. Step 6: Final answer
    x = 445,222.05

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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.