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Finding the Fourth Proportional to 591,610.91, 816,487.93 and 343,307.56

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Solution

The fourth proportional to 591,610.91, 816,487.93 and 343,307.56 is: 473,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,610.91 : 816,487.93 = 343,307.56 : x
  2. Step 2: Convert to fraction form
    591,610.91/816,487.93 = 343,307.56/x
  3. Step 3: Cross multiply
    591,610.91x = 816,487.93 × 343,307.56
  4. Step 4: Simplify right side
    591,610.91x = 280,306,476,118.26
  5. Step 5: Solve for x
    x = 280,306,476,118.26/591,610.91
  6. Step 6: Final answer
    x = 473,802.07

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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.