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Finding the Fourth Proportional to 557,823.42, 769,796.42 and 303,174.63

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Solution

The fourth proportional to 557,823.42, 769,796.42 and 303,174.63 is: 418,381.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,823.42 : 769,796.42 = 303,174.63 : x
  2. Step 2: Convert to fraction form
    557,823.42/769,796.42 = 303,174.63/x
  3. Step 3: Cross multiply
    557,823.42x = 769,796.42 × 303,174.63
  4. Step 4: Simplify right side
    557,823.42x = 233,382,743,292.95
  5. Step 5: Solve for x
    x = 233,382,743,292.95/557,823.42
  6. Step 6: Final answer
    x = 418,381.04

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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.