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Finding the Fourth Proportional to 529,494.73, 794,049.82 and 289,785.79

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Solution

The fourth proportional to 529,494.73, 794,049.82 and 289,785.79 is: 434,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,494.73 : 794,049.82 = 289,785.79 : x
  2. Step 2: Convert to fraction form
    529,494.73/794,049.82 = 289,785.79/x
  3. Step 3: Cross multiply
    529,494.73x = 794,049.82 × 289,785.79
  4. Step 4: Simplify right side
    529,494.73x = 230,104,348,968.88
  5. Step 5: Solve for x
    x = 230,104,348,968.88/529,494.73
  6. Step 6: Final answer
    x = 434,573.45

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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.