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Finding the Fourth Proportional to 382,618.20, 573,927.30 and 341,283.90

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Solution

The fourth proportional to 382,618.20, 573,927.30 and 341,283.90 is: 511,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,618.20 : 573,927.30 = 341,283.90 : x
  2. Step 2: Convert to fraction form
    382,618.20/573,927.30 = 341,283.90/x
  3. Step 3: Cross multiply
    382,618.20x = 573,927.30 × 341,283.90
  4. Step 4: Simplify right side
    382,618.20x = 195,872,147,260.47
  5. Step 5: Solve for x
    x = 195,872,147,260.47/382,618.20
  6. Step 6: Final answer
    x = 511,925.85

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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.