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Finding the Fourth Proportional to 365,412.72, 504,350.88 and 222,142.32

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Solution

The fourth proportional to 365,412.72, 504,350.88 and 222,142.32 is: 306,605.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,412.72 : 504,350.88 = 222,142.32 : x
  2. Step 2: Convert to fraction form
    365,412.72/504,350.88 = 222,142.32/x
  3. Step 3: Cross multiply
    365,412.72x = 504,350.88 × 222,142.32
  4. Step 4: Simplify right side
    365,412.72x = 112,037,674,577.24
  5. Step 5: Solve for x
    x = 112,037,674,577.24/365,412.72
  6. Step 6: Final answer
    x = 306,605.84

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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.