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Finding the Fourth Proportional to 574,251.50, 861,771.72 and 200,274.50

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Solution

The fourth proportional to 574,251.50, 861,771.72 and 200,274.50 is: 300,549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,251.50 : 861,771.72 = 200,274.50 : x
  2. Step 2: Convert to fraction form
    574,251.50/861,771.72 = 200,274.50/x
  3. Step 3: Cross multiply
    574,251.50x = 861,771.72 × 200,274.50
  4. Step 4: Simplify right side
    574,251.50x = 172,590,900,337.14
  5. Step 5: Solve for x
    x = 172,590,900,337.14/574,251.50
  6. Step 6: Final answer
    x = 300,549.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.