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Finding the Fourth Proportional to 529,486.73, 730,797.96 and 314,585.42

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Solution

The fourth proportional to 529,486.73, 730,797.96 and 314,585.42 is: 434,191.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,486.73 : 730,797.96 = 314,585.42 : x
  2. Step 2: Convert to fraction form
    529,486.73/730,797.96 = 314,585.42/x
  3. Step 3: Cross multiply
    529,486.73x = 730,797.96 × 314,585.42
  4. Step 4: Simplify right side
    529,486.73x = 229,898,383,181.74
  5. Step 5: Solve for x
    x = 229,898,383,181.74/529,486.73
  6. Step 6: Final answer
    x = 434,191.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.