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Finding the Fourth Proportional to 529,995.90, 794,892.44 and 205,784.01

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Solution

The fourth proportional to 529,995.90, 794,892.44 and 205,784.01 is: 308,636.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,995.90 : 794,892.44 = 205,784.01 : x
  2. Step 2: Convert to fraction form
    529,995.90/794,892.44 = 205,784.01/x
  3. Step 3: Cross multiply
    529,995.90x = 794,892.44 × 205,784.01
  4. Step 4: Simplify right side
    529,995.90x = 163,576,153,821.88
  5. Step 5: Solve for x
    x = 163,576,153,821.88/529,995.90
  6. Step 6: Final answer
    x = 308,636.64

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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.