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Finding the Fourth Proportional to 573,236.28, 791,049.06 and 328,212.90

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Solution

The fourth proportional to 573,236.28, 791,049.06 and 328,212.90 is: 452,924.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,236.28 : 791,049.06 = 328,212.90 : x
  2. Step 2: Convert to fraction form
    573,236.28/791,049.06 = 328,212.90/x
  3. Step 3: Cross multiply
    573,236.28x = 791,049.06 × 328,212.90
  4. Step 4: Simplify right side
    573,236.28x = 259,632,506,024.87
  5. Step 5: Solve for x
    x = 259,632,506,024.87/573,236.28
  6. Step 6: Final answer
    x = 452,924.06

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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.