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Finding the Fourth Proportional to 529,955.79, 794,934.24 and 214,415.43

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Solution

The fourth proportional to 529,955.79, 794,934.24 and 214,415.43 is: 321,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,955.79 : 794,934.24 = 214,415.43 : x
  2. Step 2: Convert to fraction form
    529,955.79/794,934.24 = 214,415.43/x
  3. Step 3: Cross multiply
    529,955.79x = 794,934.24 × 214,415.43
  4. Step 4: Simplify right side
    529,955.79x = 170,446,166,891.32
  5. Step 5: Solve for x
    x = 170,446,166,891.32/529,955.79
  6. Step 6: Final answer
    x = 321,623.37

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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.