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Finding the Fourth Proportional to 896,861.92, 1,345,254 and 222,928.96

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Solution

The fourth proportional to 896,861.92, 1,345,254 and 222,928.96 is: 334,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,861.92 : 1,345,254 = 222,928.96 : x
  2. Step 2: Convert to fraction form
    896,861.92/1,345,254 = 222,928.96/x
  3. Step 3: Cross multiply
    896,861.92x = 1,345,254 × 222,928.96
  4. Step 4: Simplify right side
    896,861.92x = 299,896,075,155.84
  5. Step 5: Solve for x
    x = 299,896,075,155.84/896,861.92
  6. Step 6: Final answer
    x = 334,383.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.