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Finding the Fourth Proportional to 573,318.94, 791,115.85 and 343,885.56

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Solution

The fourth proportional to 573,318.94, 791,115.85 and 343,885.56 is: 474,523.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,318.94 : 791,115.85 = 343,885.56 : x
  2. Step 2: Convert to fraction form
    573,318.94/791,115.85 = 343,885.56/x
  3. Step 3: Cross multiply
    573,318.94x = 791,115.85 × 343,885.56
  4. Step 4: Simplify right side
    573,318.94x = 272,053,317,102.13
  5. Step 5: Solve for x
    x = 272,053,317,102.13/573,318.94
  6. Step 6: Final answer
    x = 474,523.51

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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.