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Finding the Fourth Proportional to 529,003.49, 793,399.13 and 259,015.30

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Solution

The fourth proportional to 529,003.49, 793,399.13 and 259,015.30 is: 388,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,003.49 : 793,399.13 = 259,015.30 : x
  2. Step 2: Convert to fraction form
    529,003.49/793,399.13 = 259,015.30/x
  3. Step 3: Cross multiply
    529,003.49x = 793,399.13 × 259,015.30
  4. Step 4: Simplify right side
    529,003.49x = 205,502,512,340.73
  5. Step 5: Solve for x
    x = 205,502,512,340.73/529,003.49
  6. Step 6: Final answer
    x = 388,471.00

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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.