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Finding the Fourth Proportional to 637,251.65, 879,304.36 and 365,269.50

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Solution

The fourth proportional to 637,251.65, 879,304.36 and 365,269.50 is: 504,012.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,251.65 : 879,304.36 = 365,269.50 : x
  2. Step 2: Convert to fraction form
    637,251.65/879,304.36 = 365,269.50/x
  3. Step 3: Cross multiply
    637,251.65x = 879,304.36 × 365,269.50
  4. Step 4: Simplify right side
    637,251.65x = 321,183,063,696.73
  5. Step 5: Solve for x
    x = 321,183,063,696.73/637,251.65
  6. Step 6: Final answer
    x = 504,012.91

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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.