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Finding the Fourth Proportional to 573,551.87, 860,442.65 and 321,191.24

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Solution

The fourth proportional to 573,551.87, 860,442.65 and 321,191.24 is: 481,851.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,551.87 : 860,442.65 = 321,191.24 : x
  2. Step 2: Convert to fraction form
    573,551.87/860,442.65 = 321,191.24/x
  3. Step 3: Cross multiply
    573,551.87x = 860,442.65 × 321,191.24
  4. Step 4: Simplify right side
    573,551.87x = 276,366,636,998.68
  5. Step 5: Solve for x
    x = 276,366,636,998.68/573,551.87
  6. Step 6: Final answer
    x = 481,851.17

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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.