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Finding the Fourth Proportional to 574,432.50, 792,735.09 and 359,503.86

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Solution

The fourth proportional to 574,432.50, 792,735.09 and 359,503.86 is: 496,126.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,432.50 : 792,735.09 = 359,503.86 : x
  2. Step 2: Convert to fraction form
    574,432.50/792,735.09 = 359,503.86/x
  3. Step 3: Cross multiply
    574,432.50x = 792,735.09 × 359,503.86
  4. Step 4: Simplify right side
    574,432.50x = 284,991,324,812.45
  5. Step 5: Solve for x
    x = 284,991,324,812.45/574,432.50
  6. Step 6: Final answer
    x = 496,126.74

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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.