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Finding the Fourth Proportional to 573,666.12, 860,553.17 and 168,858.57

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Solution

The fourth proportional to 573,666.12, 860,553.17 and 168,858.57 is: 253,303.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,666.12 : 860,553.17 = 168,858.57 : x
  2. Step 2: Convert to fraction form
    573,666.12/860,553.17 = 168,858.57/x
  3. Step 3: Cross multiply
    573,666.12x = 860,553.17 × 168,858.57
  4. Step 4: Simplify right side
    573,666.12x = 145,311,777,695.17
  5. Step 5: Solve for x
    x = 145,311,777,695.17/573,666.12
  6. Step 6: Final answer
    x = 253,303.75

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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.