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Finding the Fourth Proportional to 886,625.72, 1,223,544.86 and 504,652.50

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Solution

The fourth proportional to 886,625.72, 1,223,544.86 and 504,652.50 is: 696,421.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,625.72 : 1,223,544.86 = 504,652.50 : x
  2. Step 2: Convert to fraction form
    886,625.72/1,223,544.86 = 504,652.50/x
  3. Step 3: Cross multiply
    886,625.72x = 1,223,544.86 × 504,652.50
  4. Step 4: Simplify right side
    886,625.72x = 617,464,973,722.78
  5. Step 5: Solve for x
    x = 617,464,973,722.78/886,625.72
  6. Step 6: Final answer
    x = 696,421.23

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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.