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Finding the Fourth Proportional to 629,958.80, 944,938.20 and 488,241.20

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Solution

The fourth proportional to 629,958.80, 944,938.20 and 488,241.20 is: 732,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,958.80 : 944,938.20 = 488,241.20 : x
  2. Step 2: Convert to fraction form
    629,958.80/944,938.20 = 488,241.20/x
  3. Step 3: Cross multiply
    629,958.80x = 944,938.20 × 488,241.20
  4. Step 4: Simplify right side
    629,958.80x = 461,357,760,693.84
  5. Step 5: Solve for x
    x = 461,357,760,693.84/629,958.80
  6. Step 6: Final answer
    x = 732,361.80

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1.5x scale

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.