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Finding the Fourth Proportional to 637,544.16, 879,810.94 and 351,063.56

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Solution

The fourth proportional to 637,544.16, 879,810.94 and 351,063.56 is: 484,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,544.16 : 879,810.94 = 351,063.56 : x
  2. Step 2: Convert to fraction form
    637,544.16/879,810.94 = 351,063.56/x
  3. Step 3: Cross multiply
    637,544.16x = 879,810.94 × 351,063.56
  4. Step 4: Simplify right side
    637,544.16x = 308,869,562,045.22
  5. Step 5: Solve for x
    x = 308,869,562,045.22/637,544.16
  6. Step 6: Final answer
    x = 484,467.71

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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.