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Finding the Fourth Proportional to 547,594.50, 755,683.04 and 305,887.26

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Solution

The fourth proportional to 547,594.50, 755,683.04 and 305,887.26 is: 422,125.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,594.50 : 755,683.04 = 305,887.26 : x
  2. Step 2: Convert to fraction form
    547,594.50/755,683.04 = 305,887.26/x
  3. Step 3: Cross multiply
    547,594.50x = 755,683.04 × 305,887.26
  4. Step 4: Simplify right side
    547,594.50x = 231,153,814,534.07
  5. Step 5: Solve for x
    x = 231,153,814,534.07/547,594.50
  6. Step 6: Final answer
    x = 422,125.89

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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.