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Finding the Fourth Proportional to 573,555.70, 860,448.39 and 321,195.07

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Solution

The fourth proportional to 573,555.70, 860,448.39 and 321,195.07 is: 481,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,555.70 : 860,448.39 = 321,195.07 : x
  2. Step 2: Convert to fraction form
    573,555.70/860,448.39 = 321,195.07/x
  3. Step 3: Cross multiply
    573,555.70x = 860,448.39 × 321,195.07
  4. Step 4: Simplify right side
    573,555.70x = 276,371,780,857.44
  5. Step 5: Solve for x
    x = 276,371,780,857.44/573,555.70
  6. Step 6: Final answer
    x = 481,856.92

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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.