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Finding the Fourth Proportional to 382,601.70, 573,902.55 and 341,267.40

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Solution

The fourth proportional to 382,601.70, 573,902.55 and 341,267.40 is: 511,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,601.70 : 573,902.55 = 341,267.40 : x
  2. Step 2: Convert to fraction form
    382,601.70/573,902.55 = 341,267.40/x
  3. Step 3: Cross multiply
    382,601.70x = 573,902.55 × 341,267.40
  4. Step 4: Simplify right side
    382,601.70x = 195,854,231,091.87
  5. Step 5: Solve for x
    x = 195,854,231,091.87/382,601.70
  6. Step 6: Final answer
    x = 511,901.10

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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.