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Finding the Fourth Proportional to 886,658.69, 1,223,596.76 and 504,710.03

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Solution

The fourth proportional to 886,658.69, 1,223,596.76 and 504,710.03 is: 696,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,658.69 : 1,223,596.76 = 504,710.03 : x
  2. Step 2: Convert to fraction form
    886,658.69/1,223,596.76 = 504,710.03/x
  3. Step 3: Cross multiply
    886,658.69x = 1,223,596.76 × 504,710.03
  4. Step 4: Simplify right side
    886,658.69x = 617,561,557,447.50
  5. Step 5: Solve for x
    x = 617,561,557,447.50/886,658.69
  6. Step 6: Final answer
    x = 696,504.26

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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.