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Finding the Fourth Proportional to 545,824.80, 818,445.60 and 229,924.80

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Solution

The fourth proportional to 545,824.80, 818,445.60 and 229,924.80 is: 344,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,824.80 : 818,445.60 = 229,924.80 : x
  2. Step 2: Convert to fraction form
    545,824.80/818,445.60 = 229,924.80/x
  3. Step 3: Cross multiply
    545,824.80x = 818,445.60 × 229,924.80
  4. Step 4: Simplify right side
    545,824.80x = 188,180,940,890.88
  5. Step 5: Solve for x
    x = 188,180,940,890.88/545,824.80
  6. Step 6: Final answer
    x = 344,764.37

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1.5x scale

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.