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Finding the Fourth Proportional to 567,999.78, 851,401.58 and 188,818.75

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Solution

The fourth proportional to 567,999.78, 851,401.58 and 188,818.75 is: 283,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,999.78 : 851,401.58 = 188,818.75 : x
  2. Step 2: Convert to fraction form
    567,999.78/851,401.58 = 188,818.75/x
  3. Step 3: Cross multiply
    567,999.78x = 851,401.58 × 188,818.75
  4. Step 4: Simplify right side
    567,999.78x = 160,760,582,203.78
  5. Step 5: Solve for x
    x = 160,760,582,203.78/567,999.78
  6. Step 6: Final answer
    x = 283,029.31

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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.