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Finding the Fourth Proportional to 468,729.75, 702,949.51 and 169,172.41

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Solution

The fourth proportional to 468,729.75, 702,949.51 and 169,172.41 is: 253,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,729.75 : 702,949.51 = 169,172.41 : x
  2. Step 2: Convert to fraction form
    468,729.75/702,949.51 = 169,172.41/x
  3. Step 3: Cross multiply
    468,729.75x = 702,949.51 × 169,172.41
  4. Step 4: Simplify right side
    468,729.75x = 118,919,662,715.02
  5. Step 5: Solve for x
    x = 118,919,662,715.02/468,729.75
  6. Step 6: Final answer
    x = 253,706.24

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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.