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Finding the Fourth Proportional to 573,360.80, 860,138.40 and 173,998.40

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Solution

The fourth proportional to 573,360.80, 860,138.40 and 173,998.40 is: 261,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,360.80 : 860,138.40 = 173,998.40 : x
  2. Step 2: Convert to fraction form
    573,360.80/860,138.40 = 173,998.40/x
  3. Step 3: Cross multiply
    573,360.80x = 860,138.40 × 173,998.40
  4. Step 4: Simplify right side
    573,360.80x = 149,662,705,378.56
  5. Step 5: Solve for x
    x = 149,662,705,378.56/573,360.80
  6. Step 6: Final answer
    x = 261,027.10

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1.5x scale

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.