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Finding the Fourth Proportional to 494,643.60, 741,965.40 and 437,562.90

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Solution

The fourth proportional to 494,643.60, 741,965.40 and 437,562.90 is: 656,344.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,643.60 : 741,965.40 = 437,562.90 : x
  2. Step 2: Convert to fraction form
    494,643.60/741,965.40 = 437,562.90/x
  3. Step 3: Cross multiply
    494,643.60x = 741,965.40 × 437,562.90
  4. Step 4: Simplify right side
    494,643.60x = 324,656,532,123.66
  5. Step 5: Solve for x
    x = 324,656,532,123.66/494,643.60
  6. Step 6: Final answer
    x = 656,344.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.