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Finding the Fourth Proportional to 591,624.42, 816,608.84 and 349,990.89

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Solution

The fourth proportional to 591,624.42, 816,608.84 and 349,990.89 is: 483,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,624.42 : 816,608.84 = 349,990.89 : x
  2. Step 2: Convert to fraction form
    591,624.42/816,608.84 = 349,990.89/x
  3. Step 3: Cross multiply
    591,624.42x = 816,608.84 × 349,990.89
  4. Step 4: Simplify right side
    591,624.42x = 285,805,652,943.51
  5. Step 5: Solve for x
    x = 285,805,652,943.51/591,624.42
  6. Step 6: Final answer
    x = 483,086.30

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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.