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Finding the Fourth Proportional to 483,505.08, 725,007.31 and 217,036.14

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Solution

The fourth proportional to 483,505.08, 725,007.31 and 217,036.14 is: 325,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,505.08 : 725,007.31 = 217,036.14 : x
  2. Step 2: Convert to fraction form
    483,505.08/725,007.31 = 217,036.14/x
  3. Step 3: Cross multiply
    483,505.08x = 725,007.31 × 217,036.14
  4. Step 4: Simplify right side
    483,505.08x = 157,352,788,034.18
  5. Step 5: Solve for x
    x = 157,352,788,034.18/483,505.08
  6. Step 6: Final answer
    x = 325,441.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.