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Finding the Fourth Proportional to 290,880.96, 401,319.16 and 237,073.44

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Solution

The fourth proportional to 290,880.96, 401,319.16 and 237,073.44 is: 327,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,880.96 : 401,319.16 = 237,073.44 : x
  2. Step 2: Convert to fraction form
    290,880.96/401,319.16 = 237,073.44/x
  3. Step 3: Cross multiply
    290,880.96x = 401,319.16 × 237,073.44
  4. Step 4: Simplify right side
    290,880.96x = 95,142,113,799.11
  5. Step 5: Solve for x
    x = 95,142,113,799.11/290,880.96
  6. Step 6: Final answer
    x = 327,082.65

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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.