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Finding the Fourth Proportional to 573,052.06, 790,880.82 and 331,394.02

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Solution

The fourth proportional to 573,052.06, 790,880.82 and 331,394.02 is: 457,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,052.06 : 790,880.82 = 331,394.02 : x
  2. Step 2: Convert to fraction form
    573,052.06/790,880.82 = 331,394.02/x
  3. Step 3: Cross multiply
    573,052.06x = 790,880.82 × 331,394.02
  4. Step 4: Simplify right side
    573,052.06x = 262,093,174,280.70
  5. Step 5: Solve for x
    x = 262,093,174,280.70/573,052.06
  6. Step 6: Final answer
    x = 457,363.64

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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.