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Finding the Fourth Proportional to 329,552.40, 494,328.60 and 161,153.40

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Solution

The fourth proportional to 329,552.40, 494,328.60 and 161,153.40 is: 241,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,552.40 : 494,328.60 = 161,153.40 : x
  2. Step 2: Convert to fraction form
    329,552.40/494,328.60 = 161,153.40/x
  3. Step 3: Cross multiply
    329,552.40x = 494,328.60 × 161,153.40
  4. Step 4: Simplify right side
    329,552.40x = 79,662,734,607.24
  5. Step 5: Solve for x
    x = 79,662,734,607.24/329,552.40
  6. Step 6: Final answer
    x = 241,730.10

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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.