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Finding the Fourth Proportional to 573,442.60, 859,872.30 and 336,857.80

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Solution

The fourth proportional to 573,442.60, 859,872.30 and 336,857.80 is: 505,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,442.60 : 859,872.30 = 336,857.80 : x
  2. Step 2: Convert to fraction form
    573,442.60/859,872.30 = 336,857.80/x
  3. Step 3: Cross multiply
    573,442.60x = 859,872.30 × 336,857.80
  4. Step 4: Simplify right side
    573,442.60x = 289,654,691,258.94
  5. Step 5: Solve for x
    x = 289,654,691,258.94/573,442.60
  6. Step 6: Final answer
    x = 505,115.41

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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.