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Finding the Fourth Proportional to 886,633.47, 1,223,562 and 504,684.84

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Solution

The fourth proportional to 886,633.47, 1,223,562 and 504,684.84 is: 696,469.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,633.47 : 1,223,562 = 504,684.84 : x
  2. Step 2: Convert to fraction form
    886,633.47/1,223,562 = 504,684.84/x
  3. Step 3: Cross multiply
    886,633.47x = 1,223,562 × 504,684.84
  4. Step 4: Simplify right side
    886,633.47x = 617,513,192,200.08
  5. Step 5: Solve for x
    x = 617,513,192,200.08/886,633.47
  6. Step 6: Final answer
    x = 696,469.53

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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.