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Finding the Fourth Proportional to 468,630.74, 702,800.80 and 169,072.38

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Solution

The fourth proportional to 468,630.74, 702,800.80 and 169,072.38 is: 253,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,630.74 : 702,800.80 = 169,072.38 : x
  2. Step 2: Convert to fraction form
    468,630.74/702,800.80 = 169,072.38/x
  3. Step 3: Cross multiply
    468,630.74x = 702,800.80 × 169,072.38
  4. Step 4: Simplify right side
    468,630.74x = 118,824,203,921.90
  5. Step 5: Solve for x
    x = 118,824,203,921.90/468,630.74
  6. Step 6: Final answer
    x = 253,556.15

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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.