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Finding the Fourth Proportional to 637,148.43, 879,267.96 and 365,232.65

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Solution

The fourth proportional to 637,148.43, 879,267.96 and 365,232.65 is: 504,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,148.43 : 879,267.96 = 365,232.65 : x
  2. Step 2: Convert to fraction form
    637,148.43/879,267.96 = 365,232.65/x
  3. Step 3: Cross multiply
    637,148.43x = 879,267.96 × 365,232.65
  4. Step 4: Simplify right side
    637,148.43x = 321,137,362,694.55
  5. Step 5: Solve for x
    x = 321,137,362,694.55/637,148.43
  6. Step 6: Final answer
    x = 504,022.84

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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.