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Finding the Fourth Proportional to 529,768.80, 795,090.60 and 245,896.20

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Solution

The fourth proportional to 529,768.80, 795,090.60 and 245,896.20 is: 369,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,768.80 : 795,090.60 = 245,896.20 : x
  2. Step 2: Convert to fraction form
    529,768.80/795,090.60 = 245,896.20/x
  3. Step 3: Cross multiply
    529,768.80x = 795,090.60 × 245,896.20
  4. Step 4: Simplify right side
    529,768.80x = 195,509,757,195.72
  5. Step 5: Solve for x
    x = 195,509,757,195.72/529,768.80
  6. Step 6: Final answer
    x = 369,047.32

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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.