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Finding the Fourth Proportional to 535,792.72, 739,495.88 and 354,508.24

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Solution

The fourth proportional to 535,792.72, 739,495.88 and 354,508.24 is: 489,288.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,792.72 : 739,495.88 = 354,508.24 : x
  2. Step 2: Convert to fraction form
    535,792.72/739,495.88 = 354,508.24/x
  3. Step 3: Cross multiply
    535,792.72x = 739,495.88 × 354,508.24
  4. Step 4: Simplify right side
    535,792.72x = 262,157,382,906.05
  5. Step 5: Solve for x
    x = 262,157,382,906.05/535,792.72
  6. Step 6: Final answer
    x = 489,288.81

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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.