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Finding the Fourth Proportional to 591,609.57, 816,486.07 and 343,306.22

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Solution

The fourth proportional to 591,609.57, 816,486.07 and 343,306.22 is: 473,800.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,609.57 : 816,486.07 = 343,306.22 : x
  2. Step 2: Convert to fraction form
    591,609.57/816,486.07 = 343,306.22/x
  3. Step 3: Cross multiply
    591,609.57x = 816,486.07 × 343,306.22
  4. Step 4: Simplify right side
    591,609.57x = 280,304,743,150.19
  5. Step 5: Solve for x
    x = 280,304,743,150.19/591,609.57
  6. Step 6: Final answer
    x = 473,800.22

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1.5x scale

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.