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Finding the Fourth Proportional to 365,484.60, 504,234.90 and 220,322.47

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Solution

The fourth proportional to 365,484.60, 504,234.90 and 220,322.47 is: 303,964.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,484.60 : 504,234.90 = 220,322.47 : x
  2. Step 2: Convert to fraction form
    365,484.60/504,234.90 = 220,322.47/x
  3. Step 3: Cross multiply
    365,484.60x = 504,234.90 × 220,322.47
  4. Step 4: Simplify right side
    365,484.60x = 111,094,278,628.20
  5. Step 5: Solve for x
    x = 111,094,278,628.20/365,484.60
  6. Step 6: Final answer
    x = 303,964.32

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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.