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Finding the Fourth Proportional to 296,876.16, 445,334.40 and 119,383.20

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Solution

The fourth proportional to 296,876.16, 445,334.40 and 119,383.20 is: 179,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,876.16 : 445,334.40 = 119,383.20 : x
  2. Step 2: Convert to fraction form
    296,876.16/445,334.40 = 119,383.20/x
  3. Step 3: Cross multiply
    296,876.16x = 445,334.40 × 119,383.20
  4. Step 4: Simplify right side
    296,876.16x = 53,165,445,742.08
  5. Step 5: Solve for x
    x = 53,165,445,742.08/296,876.16
  6. Step 6: Final answer
    x = 179,082.91

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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.