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Finding the Fourth Proportional to 382,052.70, 573,174.90 and 145,265.94

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Solution

The fourth proportional to 382,052.70, 573,174.90 and 145,265.94 is: 217,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,052.70 : 573,174.90 = 145,265.94 : x
  2. Step 2: Convert to fraction form
    382,052.70/573,174.90 = 145,265.94/x
  3. Step 3: Cross multiply
    382,052.70x = 573,174.90 × 145,265.94
  4. Step 4: Simplify right side
    382,052.70x = 83,262,790,632.91
  5. Step 5: Solve for x
    x = 83,262,790,632.91/382,052.70
  6. Step 6: Final answer
    x = 217,935.35

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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.