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Finding the Fourth Proportional to 550,386.53, 759,616.43 and 335,651.15

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Solution

The fourth proportional to 550,386.53, 759,616.43 and 335,651.15 is: 463,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,386.53 : 759,616.43 = 335,651.15 : x
  2. Step 2: Convert to fraction form
    550,386.53/759,616.43 = 335,651.15/x
  3. Step 3: Cross multiply
    550,386.53x = 759,616.43 × 335,651.15
  4. Step 4: Simplify right side
    550,386.53x = 254,966,131,026.56
  5. Step 5: Solve for x
    x = 254,966,131,026.56/550,386.53
  6. Step 6: Final answer
    x = 463,249.22

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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.