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Finding the Fourth Proportional to 637,069.15, 879,154.92 and 350,589.24

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Solution

The fourth proportional to 637,069.15, 879,154.92 and 350,589.24 is: 483,812.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,069.15 : 879,154.92 = 350,589.24 : x
  2. Step 2: Convert to fraction form
    637,069.15/879,154.92 = 350,589.24/x
  3. Step 3: Cross multiply
    637,069.15x = 879,154.92 × 350,589.24
  4. Step 4: Simplify right side
    637,069.15x = 308,222,255,245.06
  5. Step 5: Solve for x
    x = 308,222,255,245.06/637,069.15
  6. Step 6: Final answer
    x = 483,812.87

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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.