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Finding the Fourth Proportional to 311,207.43, 429,461.67 and 175,241.64

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Solution

The fourth proportional to 311,207.43, 429,461.67 and 175,241.64 is: 241,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,207.43 : 429,461.67 = 175,241.64 : x
  2. Step 2: Convert to fraction form
    311,207.43/429,461.67 = 175,241.64/x
  3. Step 3: Cross multiply
    311,207.43x = 429,461.67 × 175,241.64
  4. Step 4: Simplify right side
    311,207.43x = 75,259,567,367.94
  5. Step 5: Solve for x
    x = 75,259,567,367.94/311,207.43
  6. Step 6: Final answer
    x = 241,830.88

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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.