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Finding the Fourth Proportional to 529,584.76, 794,127.48 and 192,387.64

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Solution

The fourth proportional to 529,584.76, 794,127.48 and 192,387.64 is: 288,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,584.76 : 794,127.48 = 192,387.64 : x
  2. Step 2: Convert to fraction form
    529,584.76/794,127.48 = 192,387.64/x
  3. Step 3: Cross multiply
    529,584.76x = 794,127.48 × 192,387.64
  4. Step 4: Simplify right side
    529,584.76x = 152,780,311,736.35
  5. Step 5: Solve for x
    x = 152,780,311,736.35/529,584.76
  6. Step 6: Final answer
    x = 288,490.76

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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.