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Finding the Fourth Proportional to 415,591.50, 573,518.89 and 224,604.43

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Solution

The fourth proportional to 415,591.50, 573,518.89 and 224,604.43 is: 309,955.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,591.50 : 573,518.89 = 224,604.43 : x
  2. Step 2: Convert to fraction form
    415,591.50/573,518.89 = 224,604.43/x
  3. Step 3: Cross multiply
    415,591.50x = 573,518.89 × 224,604.43
  4. Step 4: Simplify right side
    415,591.50x = 128,814,883,382.68
  5. Step 5: Solve for x
    x = 128,814,883,382.68/415,591.50
  6. Step 6: Final answer
    x = 309,955.53

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1.5x scale

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.