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Finding the Fourth Proportional to 317,040.96, 437,519.64 and 173,803.92

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Solution

The fourth proportional to 317,040.96, 437,519.64 and 173,803.92 is: 239,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,040.96 : 437,519.64 = 173,803.92 : x
  2. Step 2: Convert to fraction form
    317,040.96/437,519.64 = 173,803.92/x
  3. Step 3: Cross multiply
    317,040.96x = 437,519.64 × 173,803.92
  4. Step 4: Simplify right side
    317,040.96x = 76,042,628,508.99
  5. Step 5: Solve for x
    x = 76,042,628,508.99/317,040.96
  6. Step 6: Final answer
    x = 239,851.12

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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.