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Finding the Fourth Proportional to 594,004.80, 891,007.20 and 394,593.60

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Solution

The fourth proportional to 594,004.80, 891,007.20 and 394,593.60 is: 591,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,004.80 : 891,007.20 = 394,593.60 : x
  2. Step 2: Convert to fraction form
    594,004.80/891,007.20 = 394,593.60/x
  3. Step 3: Cross multiply
    594,004.80x = 891,007.20 × 394,593.60
  4. Step 4: Simplify right side
    594,004.80x = 351,585,738,673.92
  5. Step 5: Solve for x
    x = 351,585,738,673.92/594,004.80
  6. Step 6: Final answer
    x = 591,890.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.