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Finding the Fourth Proportional to 365,157.56, 503,899.44 and 203,980.52

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Solution

The fourth proportional to 365,157.56, 503,899.44 and 203,980.52 is: 281,483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,157.56 : 503,899.44 = 203,980.52 : x
  2. Step 2: Convert to fraction form
    365,157.56/503,899.44 = 203,980.52/x
  3. Step 3: Cross multiply
    365,157.56x = 503,899.44 × 203,980.52
  4. Step 4: Simplify right side
    365,157.56x = 102,785,669,798.91
  5. Step 5: Solve for x
    x = 102,785,669,798.91/365,157.56
  6. Step 6: Final answer
    x = 281,483.07

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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.