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Finding the Fourth Proportional to 522,229.92, 783,695.16 and 335,372.64

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Solution

The fourth proportional to 522,229.92, 783,695.16 and 335,372.64 is: 503,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,229.92 : 783,695.16 = 335,372.64 : x
  2. Step 2: Convert to fraction form
    522,229.92/783,695.16 = 335,372.64/x
  3. Step 3: Cross multiply
    522,229.92x = 783,695.16 × 335,372.64
  4. Step 4: Simplify right side
    522,229.92x = 262,829,914,764.42
  5. Step 5: Solve for x
    x = 262,829,914,764.42/522,229.92
  6. Step 6: Final answer
    x = 503,283.91

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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.