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Finding the Fourth Proportional to 529,715.58, 794,375.16 and 192,657.86

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Solution

The fourth proportional to 529,715.58, 794,375.16 and 192,657.86 is: 288,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,715.58 : 794,375.16 = 192,657.86 : x
  2. Step 2: Convert to fraction form
    529,715.58/794,375.16 = 192,657.86/x
  3. Step 3: Cross multiply
    529,715.58x = 794,375.16 × 192,657.86
  4. Step 4: Simplify right side
    529,715.58x = 153,042,618,362.76
  5. Step 5: Solve for x
    x = 153,042,618,362.76/529,715.58
  6. Step 6: Final answer
    x = 288,914.70

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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.