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Finding the Fourth Proportional to 303,479.41, 418,801.64 and 167,513.41

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Solution

The fourth proportional to 303,479.41, 418,801.64 and 167,513.41 is: 231,168.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,479.41 : 418,801.64 = 167,513.41 : x
  2. Step 2: Convert to fraction form
    303,479.41/418,801.64 = 167,513.41/x
  3. Step 3: Cross multiply
    303,479.41x = 418,801.64 × 167,513.41
  4. Step 4: Simplify right side
    303,479.41x = 70,154,890,829.99
  5. Step 5: Solve for x
    x = 70,154,890,829.99/303,479.41
  6. Step 6: Final answer
    x = 231,168.54

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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.