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Finding the Fourth Proportional to 363,518.45, 501,582.18 and 220,195.23

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Solution

The fourth proportional to 363,518.45, 501,582.18 and 220,195.23 is: 303,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,518.45 : 501,582.18 = 220,195.23 : x
  2. Step 2: Convert to fraction form
    363,518.45/501,582.18 = 220,195.23/x
  3. Step 3: Cross multiply
    363,518.45x = 501,582.18 × 220,195.23
  4. Step 4: Simplify right side
    363,518.45x = 110,446,003,489.00
  5. Step 5: Solve for x
    x = 110,446,003,489.00/363,518.45
  6. Step 6: Final answer
    x = 303,825.03

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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.