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Finding the Fourth Proportional to 336,435.96, 504,567.84 and 99,723.30

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Solution

The fourth proportional to 336,435.96, 504,567.84 and 99,723.30 is: 149,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,435.96 : 504,567.84 = 99,723.30 : x
  2. Step 2: Convert to fraction form
    336,435.96/504,567.84 = 99,723.30/x
  3. Step 3: Cross multiply
    336,435.96x = 504,567.84 × 99,723.30
  4. Step 4: Simplify right side
    336,435.96x = 50,317,170,078.67
  5. Step 5: Solve for x
    x = 50,317,170,078.67/336,435.96
  6. Step 6: Final answer
    x = 149,559.43

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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.