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Finding the Fourth Proportional to 629,655.90, 944,763.03 and 330,064.98

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Solution

The fourth proportional to 629,655.90, 944,763.03 and 330,064.98 is: 495,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,655.90 : 944,763.03 = 330,064.98 : x
  2. Step 2: Convert to fraction form
    629,655.90/944,763.03 = 330,064.98/x
  3. Step 3: Cross multiply
    629,655.90x = 944,763.03 × 330,064.98
  4. Step 4: Simplify right side
    629,655.90x = 311,833,190,601.69
  5. Step 5: Solve for x
    x = 311,833,190,601.69/629,655.90
  6. Step 6: Final answer
    x = 495,243.82

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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.