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Finding the Fourth Proportional to 529,085.73, 793,085.04 and 209,107.59

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Solution

The fourth proportional to 529,085.73, 793,085.04 and 209,107.59 is: 313,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,085.73 : 793,085.04 = 209,107.59 : x
  2. Step 2: Convert to fraction form
    529,085.73/793,085.04 = 209,107.59/x
  3. Step 3: Cross multiply
    529,085.73x = 793,085.04 × 209,107.59
  4. Step 4: Simplify right side
    529,085.73x = 165,840,098,405.39
  5. Step 5: Solve for x
    x = 165,840,098,405.39/529,085.73
  6. Step 6: Final answer
    x = 313,446.55

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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.