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Finding the Fourth Proportional to 573,728.40, 791,771.94 and 331,964.19

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Solution

The fourth proportional to 573,728.40, 791,771.94 and 331,964.19 is: 458,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,728.40 : 791,771.94 = 331,964.19 : x
  2. Step 2: Convert to fraction form
    573,728.40/791,771.94 = 331,964.19/x
  3. Step 3: Cross multiply
    573,728.40x = 791,771.94 × 331,964.19
  4. Step 4: Simplify right side
    573,728.40x = 262,839,930,726.83
  5. Step 5: Solve for x
    x = 262,839,930,726.83/573,728.40
  6. Step 6: Final answer
    x = 458,126.06

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1.5x scale

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.