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Finding the Fourth Proportional to 573,917.80, 860,876.70 and 174,555.40

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Solution

The fourth proportional to 573,917.80, 860,876.70 and 174,555.40 is: 261,833.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,917.80 : 860,876.70 = 174,555.40 : x
  2. Step 2: Convert to fraction form
    573,917.80/860,876.70 = 174,555.40/x
  3. Step 3: Cross multiply
    573,917.80x = 860,876.70 × 174,555.40
  4. Step 4: Simplify right side
    573,917.80x = 150,270,676,719.18
  5. Step 5: Solve for x
    x = 150,270,676,719.18/573,917.80
  6. Step 6: Final answer
    x = 261,833.10

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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.