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Finding the Fourth Proportional to 415,375.22, 573,217.08 and 224,388.02

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Solution

The fourth proportional to 415,375.22, 573,217.08 and 224,388.02 is: 309,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,375.22 : 573,217.08 = 224,388.02 : x
  2. Step 2: Convert to fraction form
    415,375.22/573,217.08 = 224,388.02/x
  3. Step 3: Cross multiply
    415,375.22x = 573,217.08 × 224,388.02
  4. Step 4: Simplify right side
    415,375.22x = 128,623,045,611.38
  5. Step 5: Solve for x
    x = 128,623,045,611.38/415,375.22
  6. Step 6: Final answer
    x = 309,655.08

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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.