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Finding the Fourth Proportional to 886,833.99, 1,223,832.06 and 504,860.25

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Solution

The fourth proportional to 886,833.99, 1,223,832.06 and 504,860.25 is: 696,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,833.99 : 1,223,832.06 = 504,860.25 : x
  2. Step 2: Convert to fraction form
    886,833.99/1,223,832.06 = 504,860.25/x
  3. Step 3: Cross multiply
    886,833.99x = 1,223,832.06 × 504,860.25
  4. Step 4: Simplify right side
    886,833.99x = 617,864,159,769.62
  5. Step 5: Solve for x
    x = 617,864,159,769.62/886,833.99
  6. Step 6: Final answer
    x = 696,707.80

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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.