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Finding the Fourth Proportional to 437,589.74, 603,049.46 and 316,525.73

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Solution

The fourth proportional to 437,589.74, 603,049.46 and 316,525.73 is: 436,209.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,589.74 : 603,049.46 = 316,525.73 : x
  2. Step 2: Convert to fraction form
    437,589.74/603,049.46 = 316,525.73/x
  3. Step 3: Cross multiply
    437,589.74x = 603,049.46 × 316,525.73
  4. Step 4: Simplify right side
    437,589.74x = 190,880,665,954.73
  5. Step 5: Solve for x
    x = 190,880,665,954.73/437,589.74
  6. Step 6: Final answer
    x = 436,209.19

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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.