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Finding the Fourth Proportional to 573,551.68, 860,143.34 and 189,214.15

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Solution

The fourth proportional to 573,551.68, 860,143.34 and 189,214.15 is: 283,760.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,551.68 : 860,143.34 = 189,214.15 : x
  2. Step 2: Convert to fraction form
    573,551.68/860,143.34 = 189,214.15/x
  3. Step 3: Cross multiply
    573,551.68x = 860,143.34 × 189,214.15
  4. Step 4: Simplify right side
    573,551.68x = 162,751,289,278.94
  5. Step 5: Solve for x
    x = 162,751,289,278.94/573,551.68
  6. Step 6: Final answer
    x = 283,760.46

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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.