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Finding the Fourth Proportional to 574,527.52, 861,421.11 and 275,000.86

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Solution

The fourth proportional to 574,527.52, 861,421.11 and 275,000.86 is: 412,324.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,527.52 : 861,421.11 = 275,000.86 : x
  2. Step 2: Convert to fraction form
    574,527.52/861,421.11 = 275,000.86/x
  3. Step 3: Cross multiply
    574,527.52x = 861,421.11 × 275,000.86
  4. Step 4: Simplify right side
    574,527.52x = 236,891,546,072.16
  5. Step 5: Solve for x
    x = 236,891,546,072.16/574,527.52
  6. Step 6: Final answer
    x = 412,324.11

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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.