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Finding the Fourth Proportional to 637,544.54, 879,811.46 and 351,063.94

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Solution

The fourth proportional to 637,544.54, 879,811.46 and 351,063.94 is: 484,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,544.54 : 879,811.46 = 351,063.94 : x
  2. Step 2: Convert to fraction form
    637,544.54/879,811.46 = 351,063.94/x
  3. Step 3: Cross multiply
    637,544.54x = 879,811.46 × 351,063.94
  4. Step 4: Simplify right side
    637,544.54x = 308,870,073,649.90
  5. Step 5: Solve for x
    x = 308,870,073,649.90/637,544.54
  6. Step 6: Final answer
    x = 484,468.23

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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.