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Finding the Fourth Proportional to 354,183.32, 488,773.50 and 193,038.50

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Solution

The fourth proportional to 354,183.32, 488,773.50 and 193,038.50 is: 266,393.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,183.32 : 488,773.50 = 193,038.50 : x
  2. Step 2: Convert to fraction form
    354,183.32/488,773.50 = 193,038.50/x
  3. Step 3: Cross multiply
    354,183.32x = 488,773.50 × 193,038.50
  4. Step 4: Simplify right side
    354,183.32x = 94,352,103,279.75
  5. Step 5: Solve for x
    x = 94,352,103,279.75/354,183.32
  6. Step 6: Final answer
    x = 266,393.41

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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.