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Finding the Fourth Proportional to 415,358.81, 573,195.68 and 224,372.21

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Solution

The fourth proportional to 415,358.81, 573,195.68 and 224,372.21 is: 309,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,358.81 : 573,195.68 = 224,372.21 : x
  2. Step 2: Convert to fraction form
    415,358.81/573,195.68 = 224,372.21/x
  3. Step 3: Cross multiply
    415,358.81x = 573,195.68 × 224,372.21
  4. Step 4: Simplify right side
    415,358.81x = 128,609,177,496.21
  5. Step 5: Solve for x
    x = 128,609,177,496.21/415,358.81
  6. Step 6: Final answer
    x = 309,633.93

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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.