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Finding the Fourth Proportional to 567,991.72, 851,695.98 and 188,775.64

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Solution

The fourth proportional to 567,991.72, 851,695.98 and 188,775.64 is: 283,066.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,991.72 : 851,695.98 = 188,775.64 : x
  2. Step 2: Convert to fraction form
    567,991.72/851,695.98 = 188,775.64/x
  3. Step 3: Cross multiply
    567,991.72x = 851,695.98 × 188,775.64
  4. Step 4: Simplify right side
    567,991.72x = 160,779,453,709.93
  5. Step 5: Solve for x
    x = 160,779,453,709.93/567,991.72
  6. Step 6: Final answer
    x = 283,066.54

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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.