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Finding the Fourth Proportional to 352,508.64, 486,462.54 and 191,363.82

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Solution

The fourth proportional to 352,508.64, 486,462.54 and 191,363.82 is: 264,082.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,508.64 : 486,462.54 = 191,363.82 : x
  2. Step 2: Convert to fraction form
    352,508.64/486,462.54 = 191,363.82/x
  3. Step 3: Cross multiply
    352,508.64x = 486,462.54 × 191,363.82
  4. Step 4: Simplify right side
    352,508.64x = 93,091,329,941.30
  5. Step 5: Solve for x
    x = 93,091,329,941.30/352,508.64
  6. Step 6: Final answer
    x = 264,082.41

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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.