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Finding the Fourth Proportional to 629,749.40, 944,915.70 and 330,567.80

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Solution

The fourth proportional to 629,749.40, 944,915.70 and 330,567.80 is: 496,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,749.40 : 944,915.70 = 330,567.80 : x
  2. Step 2: Convert to fraction form
    629,749.40/944,915.70 = 330,567.80/x
  3. Step 3: Cross multiply
    629,749.40x = 944,915.70 × 330,567.80
  4. Step 4: Simplify right side
    629,749.40x = 312,358,704,134.46
  5. Step 5: Solve for x
    x = 312,358,704,134.46/629,749.40
  6. Step 6: Final answer
    x = 496,004.77

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