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Finding the Fourth Proportional to 567,657.91, 851,279.10 and 188,509.87

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Solution

The fourth proportional to 567,657.91, 851,279.10 and 188,509.87 is: 282,695.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,657.91 : 851,279.10 = 188,509.87 : x
  2. Step 2: Convert to fraction form
    567,657.91/851,279.10 = 188,509.87/x
  3. Step 3: Cross multiply
    567,657.91x = 851,279.10 × 188,509.87
  4. Step 4: Simplify right side
    567,657.91x = 160,474,512,474.72
  5. Step 5: Solve for x
    x = 160,474,512,474.72/567,657.91
  6. Step 6: Final answer
    x = 282,695.81

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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.