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Finding the Fourth Proportional to 415,358.28, 573,194.94 and 224,371.67

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Solution

The fourth proportional to 415,358.28, 573,194.94 and 224,371.67 is: 309,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,358.28 : 573,194.94 = 224,371.67 : x
  2. Step 2: Convert to fraction form
    415,358.28/573,194.94 = 224,371.67/x
  3. Step 3: Cross multiply
    415,358.28x = 573,194.94 × 224,371.67
  4. Step 4: Simplify right side
    415,358.28x = 128,608,705,923.35
  5. Step 5: Solve for x
    x = 128,608,705,923.35/415,358.28
  6. Step 6: Final answer
    x = 309,633.18

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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.