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Finding the Fourth Proportional to 574,000.85, 861,195.03 and 254,108.59

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Solution

The fourth proportional to 574,000.85, 861,195.03 and 254,108.59 is: 381,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,000.85 : 861,195.03 = 254,108.59 : x
  2. Step 2: Convert to fraction form
    574,000.85/861,195.03 = 254,108.59/x
  3. Step 3: Cross multiply
    574,000.85x = 861,195.03 × 254,108.59
  4. Step 4: Simplify right side
    574,000.85x = 218,837,054,788.31
  5. Step 5: Solve for x
    x = 218,837,054,788.31/574,000.85
  6. Step 6: Final answer
    x = 381,248.66

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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.