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Finding the Fourth Proportional to 529,073.10, 793,359.63 and 205,012.98

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Solution

The fourth proportional to 529,073.10, 793,359.63 and 205,012.98 is: 307,422.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,073.10 : 793,359.63 = 205,012.98 : x
  2. Step 2: Convert to fraction form
    529,073.10/793,359.63 = 205,012.98/x
  3. Step 3: Cross multiply
    529,073.10x = 793,359.63 × 205,012.98
  4. Step 4: Simplify right side
    529,073.10x = 162,649,021,958.00
  5. Step 5: Solve for x
    x = 162,649,021,958.00/529,073.10
  6. Step 6: Final answer
    x = 307,422.59

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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.