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Finding the Fourth Proportional to 565,825.79, 780,849.06 and 324,129.44

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Solution

The fourth proportional to 565,825.79, 780,849.06 and 324,129.44 is: 447,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,825.79 : 780,849.06 = 324,129.44 : x
  2. Step 2: Convert to fraction form
    565,825.79/780,849.06 = 324,129.44/x
  3. Step 3: Cross multiply
    565,825.79x = 780,849.06 × 324,129.44
  4. Step 4: Simplify right side
    565,825.79x = 253,096,169,278.96
  5. Step 5: Solve for x
    x = 253,096,169,278.96/565,825.79
  6. Step 6: Final answer
    x = 447,304.05

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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.