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Finding the Fourth Proportional to 424,995.92, 637,056.48 and 188,450

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Solution

The fourth proportional to 424,995.92, 637,056.48 and 188,450 is: 282,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,995.92 : 637,056.48 = 188,450 : x
  2. Step 2: Convert to fraction form
    424,995.92/637,056.48 = 188,450/x
  3. Step 3: Cross multiply
    424,995.92x = 637,056.48 × 188,450
  4. Step 4: Simplify right side
    424,995.92x = 120,053,293,656
  5. Step 5: Solve for x
    x = 120,053,293,656/424,995.92
  6. Step 6: Final answer
    x = 282,481.05

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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.