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Finding the Fourth Proportional to 336,438.26, 504,241.82 and 288,717.92

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Solution

The fourth proportional to 336,438.26, 504,241.82 and 288,717.92 is: 432,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,438.26 : 504,241.82 = 288,717.92 : x
  2. Step 2: Convert to fraction form
    336,438.26/504,241.82 = 288,717.92/x
  3. Step 3: Cross multiply
    336,438.26x = 504,241.82 × 288,717.92
  4. Step 4: Simplify right side
    336,438.26x = 145,583,649,447.41
  5. Step 5: Solve for x
    x = 145,583,649,447.41/336,438.26
  6. Step 6: Final answer
    x = 432,720.25

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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.