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Finding the Fourth Proportional to 586,839.11, 809,793.33 and 357,370.97

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Solution

The fourth proportional to 586,839.11, 809,793.33 and 357,370.97 is: 493,144.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,839.11 : 809,793.33 = 357,370.97 : x
  2. Step 2: Convert to fraction form
    586,839.11/809,793.33 = 357,370.97/x
  3. Step 3: Cross multiply
    586,839.11x = 809,793.33 × 357,370.97
  4. Step 4: Simplify right side
    586,839.11x = 289,396,623,792.66
  5. Step 5: Solve for x
    x = 289,396,623,792.66/586,839.11
  6. Step 6: Final answer
    x = 493,144.75

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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.