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Finding the Fourth Proportional to 424,998.92, 637,060.98 and 188,453

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Solution

The fourth proportional to 424,998.92, 637,060.98 and 188,453 is: 282,485.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,998.92 : 637,060.98 = 188,453 : x
  2. Step 2: Convert to fraction form
    424,998.92/637,060.98 = 188,453/x
  3. Step 3: Cross multiply
    424,998.92x = 637,060.98 × 188,453
  4. Step 4: Simplify right side
    424,998.92x = 120,056,052,863.94
  5. Step 5: Solve for x
    x = 120,056,052,863.94/424,998.92
  6. Step 6: Final answer
    x = 282,485.55

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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.