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Finding the Fourth Proportional to 529,993.94, 794,889.46 and 205,782.01

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Solution

The fourth proportional to 529,993.94, 794,889.46 and 205,782.01 is: 308,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,993.94 : 794,889.46 = 205,782.01 : x
  2. Step 2: Convert to fraction form
    529,993.94/794,889.46 = 205,782.01/x
  3. Step 3: Cross multiply
    529,993.94x = 794,889.46 × 205,782.01
  4. Step 4: Simplify right side
    529,993.94x = 163,573,950,567.04
  5. Step 5: Solve for x
    x = 163,573,950,567.04/529,993.94
  6. Step 6: Final answer
    x = 308,633.62

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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.