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Finding the Fourth Proportional to 574,179.18, 860,689.81 and 361,099.36

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Solution

The fourth proportional to 574,179.18, 860,689.81 and 361,099.36 is: 541,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,179.18 : 860,689.81 = 361,099.36 : x
  2. Step 2: Convert to fraction form
    574,179.18/860,689.81 = 361,099.36/x
  3. Step 3: Cross multiply
    574,179.18x = 860,689.81 × 361,099.36
  4. Step 4: Simplify right side
    574,179.18x = 310,794,539,549.52
  5. Step 5: Solve for x
    x = 310,794,539,549.52/574,179.18
  6. Step 6: Final answer
    x = 541,284.93

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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.