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Finding the Fourth Proportional to 557,065.17, 835,908.22 and 300,892.56

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Solution

The fourth proportional to 557,065.17, 835,908.22 and 300,892.56 is: 451,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,065.17 : 835,908.22 = 300,892.56 : x
  2. Step 2: Convert to fraction form
    557,065.17/835,908.22 = 300,892.56/x
  3. Step 3: Cross multiply
    557,065.17x = 835,908.22 × 300,892.56
  4. Step 4: Simplify right side
    557,065.17x = 251,518,569,381.54
  5. Step 5: Solve for x
    x = 251,518,569,381.54/557,065.17
  6. Step 6: Final answer
    x = 451,506.54

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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.