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Finding the Fourth Proportional to 591,596.91, 816,570.86 and 349,963.38

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Solution

The fourth proportional to 591,596.91, 816,570.86 and 349,963.38 is: 483,048.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,596.91 : 816,570.86 = 349,963.38 : x
  2. Step 2: Convert to fraction form
    591,596.91/816,570.86 = 349,963.38/x
  3. Step 3: Cross multiply
    591,596.91x = 816,570.86 × 349,963.38
  4. Step 4: Simplify right side
    591,596.91x = 285,769,896,425.29
  5. Step 5: Solve for x
    x = 285,769,896,425.29/591,596.91
  6. Step 6: Final answer
    x = 483,048.32

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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.