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Finding the Fourth Proportional to 637,859.33, 880,204.09 and 351,379.42

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Solution

The fourth proportional to 637,859.33, 880,204.09 and 351,379.42 is: 484,880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,859.33 : 880,204.09 = 351,379.42 : x
  2. Step 2: Convert to fraction form
    637,859.33/880,204.09 = 351,379.42/x
  3. Step 3: Cross multiply
    637,859.33x = 880,204.09 × 351,379.42
  4. Step 4: Simplify right side
    637,859.33x = 309,285,601,193.96
  5. Step 5: Solve for x
    x = 309,285,601,193.96/637,859.33
  6. Step 6: Final answer
    x = 484,880.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.