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Finding the Fourth Proportional to 573,162.26, 790,832.21 and 355,566.69

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Solution

The fourth proportional to 573,162.26, 790,832.21 and 355,566.69 is: 490,600.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,162.26 : 790,832.21 = 355,566.69 : x
  2. Step 2: Convert to fraction form
    573,162.26/790,832.21 = 355,566.69/x
  3. Step 3: Cross multiply
    573,162.26x = 790,832.21 × 355,566.69
  4. Step 4: Simplify right side
    573,162.26x = 281,193,589,477.25
  5. Step 5: Solve for x
    x = 281,193,589,477.25/573,162.26
  6. Step 6: Final answer
    x = 490,600.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.