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Finding the Fourth Proportional to 591,610.16, 816,486.89 and 343,306.81

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Solution

The fourth proportional to 591,610.16, 816,486.89 and 343,306.81 is: 473,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,610.16 : 816,486.89 = 343,306.81 : x
  2. Step 2: Convert to fraction form
    591,610.16/816,486.89 = 343,306.81/x
  3. Step 3: Cross multiply
    591,610.16x = 816,486.89 × 343,306.81
  4. Step 4: Simplify right side
    591,610.16x = 280,305,508,429.77
  5. Step 5: Solve for x
    x = 280,305,508,429.77/591,610.16
  6. Step 6: Final answer
    x = 473,801.04

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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.