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Finding the Fourth Proportional to 336,808.59, 504,871.02 and 287,650.29

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Solution

The fourth proportional to 336,808.59, 504,871.02 and 287,650.29 is: 431,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,808.59 : 504,871.02 = 287,650.29 : x
  2. Step 2: Convert to fraction form
    336,808.59/504,871.02 = 287,650.29/x
  3. Step 3: Cross multiply
    336,808.59x = 504,871.02 × 287,650.29
  4. Step 4: Simplify right side
    336,808.59x = 145,226,295,315.60
  5. Step 5: Solve for x
    x = 145,226,295,315.60/336,808.59
  6. Step 6: Final answer
    x = 431,183.47

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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.