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Finding the Fourth Proportional to 629,652.90, 944,758.53 and 330,061.98

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Solution

The fourth proportional to 629,652.90, 944,758.53 and 330,061.98 is: 495,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,652.90 : 944,758.53 = 330,061.98 : x
  2. Step 2: Convert to fraction form
    629,652.90/944,758.53 = 330,061.98/x
  3. Step 3: Cross multiply
    629,652.90x = 944,758.53 × 330,061.98
  4. Step 4: Simplify right side
    629,652.90x = 311,828,871,033.69
  5. Step 5: Solve for x
    x = 311,828,871,033.69/629,652.90
  6. Step 6: Final answer
    x = 495,239.32

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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.