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Finding the Fourth Proportional to 543,846.85, 750,628.70 and 302,212.51

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Solution

The fourth proportional to 543,846.85, 750,628.70 and 302,212.51 is: 417,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,846.85 : 750,628.70 = 302,212.51 : x
  2. Step 2: Convert to fraction form
    543,846.85/750,628.70 = 302,212.51/x
  3. Step 3: Cross multiply
    543,846.85x = 750,628.70 × 302,212.51
  4. Step 4: Simplify right side
    543,846.85x = 226,849,383,505.04
  5. Step 5: Solve for x
    x = 226,849,383,505.04/543,846.85
  6. Step 6: Final answer
    x = 417,119.97

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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.