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Finding the Fourth Proportional to 317,001.06, 437,476.14 and 173,772

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Solution

The fourth proportional to 317,001.06, 437,476.14 and 173,772 is: 239,813.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,001.06 : 437,476.14 = 173,772 : x
  2. Step 2: Convert to fraction form
    317,001.06/437,476.14 = 173,772/x
  3. Step 3: Cross multiply
    317,001.06x = 437,476.14 × 173,772
  4. Step 4: Simplify right side
    317,001.06x = 76,021,103,800.08
  5. Step 5: Solve for x
    x = 76,021,103,800.08/317,001.06
  6. Step 6: Final answer
    x = 239,813.41

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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.