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Finding the Fourth Proportional to 573,464.72, 791,236.68 and 347,066.48

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Solution

The fourth proportional to 573,464.72, 791,236.68 and 347,066.48 is: 478,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,464.72 : 791,236.68 = 347,066.48 : x
  2. Step 2: Convert to fraction form
    573,464.72/791,236.68 = 347,066.48/x
  3. Step 3: Cross multiply
    573,464.72x = 791,236.68 × 347,066.48
  4. Step 4: Simplify right side
    573,464.72x = 274,611,729,374.49
  5. Step 5: Solve for x
    x = 274,611,729,374.49/573,464.72
  6. Step 6: Final answer
    x = 478,864.21

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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.