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Finding the Fourth Proportional to 506,788.65, 759,958.81 and 151,736.49

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Solution

The fourth proportional to 506,788.65, 759,958.81 and 151,736.49 is: 227,537.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,788.65 : 759,958.81 = 151,736.49 : x
  2. Step 2: Convert to fraction form
    506,788.65/759,958.81 = 151,736.49/x
  3. Step 3: Cross multiply
    506,788.65x = 759,958.81 × 151,736.49
  4. Step 4: Simplify right side
    506,788.65x = 115,313,481,994.64
  5. Step 5: Solve for x
    x = 115,313,481,994.64/506,788.65
  6. Step 6: Final answer
    x = 227,537.62

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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.