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Finding the Fourth Proportional to 522,633.92, 721,544.03 and 329,207.44

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Solution

The fourth proportional to 522,633.92, 721,544.03 and 329,207.44 is: 454,501.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,633.92 : 721,544.03 = 329,207.44 : x
  2. Step 2: Convert to fraction form
    522,633.92/721,544.03 = 329,207.44/x
  3. Step 3: Cross multiply
    522,633.92x = 721,544.03 × 329,207.44
  4. Step 4: Simplify right side
    522,633.92x = 237,537,657,709.83
  5. Step 5: Solve for x
    x = 237,537,657,709.83/522,633.92
  6. Step 6: Final answer
    x = 454,501.04

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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.