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Finding the Fourth Proportional to 573,475.48, 791,309.46 and 328,422.12

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Solution

The fourth proportional to 573,475.48, 791,309.46 and 328,422.12 is: 453,172.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,475.48 : 791,309.46 = 328,422.12 : x
  2. Step 2: Convert to fraction form
    573,475.48/791,309.46 = 328,422.12/x
  3. Step 3: Cross multiply
    573,475.48x = 791,309.46 × 328,422.12
  4. Step 4: Simplify right side
    573,475.48x = 259,883,530,429.26
  5. Step 5: Solve for x
    x = 259,883,530,429.26/573,475.48
  6. Step 6: Final answer
    x = 453,172.87

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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.