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Finding the Fourth Proportional to 550,388.53, 759,619.19 and 335,653.16

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Solution

The fourth proportional to 550,388.53, 759,619.19 and 335,653.16 is: 463,251.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,388.53 : 759,619.19 = 335,653.16 : x
  2. Step 2: Convert to fraction form
    550,388.53/759,619.19 = 335,653.16/x
  3. Step 3: Cross multiply
    550,388.53x = 759,619.19 × 335,653.16
  4. Step 4: Simplify right side
    550,388.53x = 254,968,581,520.14
  5. Step 5: Solve for x
    x = 254,968,581,520.14/550,388.53
  6. Step 6: Final answer
    x = 463,251.99

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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.