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Finding the Fourth Proportional to 573,734.34, 791,732.07 and 319,080.06

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Solution

The fourth proportional to 573,734.34, 791,732.07 and 319,080.06 is: 440,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,734.34 : 791,732.07 = 319,080.06 : x
  2. Step 2: Convert to fraction form
    573,734.34/791,732.07 = 319,080.06/x
  3. Step 3: Cross multiply
    573,734.34x = 791,732.07 × 319,080.06
  4. Step 4: Simplify right side
    573,734.34x = 252,625,916,399.52
  5. Step 5: Solve for x
    x = 252,625,916,399.52/573,734.34
  6. Step 6: Final answer
    x = 440,318.63

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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.