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Finding the Fourth Proportional to 573,378.57, 860,070.61 and 174,022.80

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Solution

The fourth proportional to 573,378.57, 860,070.61 and 174,022.80 is: 261,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,378.57 : 860,070.61 = 174,022.80 : x
  2. Step 2: Convert to fraction form
    573,378.57/860,070.61 = 174,022.80/x
  3. Step 3: Cross multiply
    573,378.57x = 860,070.61 × 174,022.80
  4. Step 4: Simplify right side
    573,378.57x = 149,671,899,020.14
  5. Step 5: Solve for x
    x = 149,671,899,020.14/573,378.57
  6. Step 6: Final answer
    x = 261,035.04

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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.