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Finding the Fourth Proportional to 383,563.98, 529,545.33 and 341,004.96

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Solution

The fourth proportional to 383,563.98, 529,545.33 and 341,004.96 is: 470,788.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,563.98 : 529,545.33 = 341,004.96 : x
  2. Step 2: Convert to fraction form
    383,563.98/529,545.33 = 341,004.96/x
  3. Step 3: Cross multiply
    383,563.98x = 529,545.33 × 341,004.96
  4. Step 4: Simplify right side
    383,563.98x = 180,577,584,074.84
  5. Step 5: Solve for x
    x = 180,577,584,074.84/383,563.98
  6. Step 6: Final answer
    x = 470,788.69

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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.