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Finding the Fourth Proportional to 373,203.79, 559,788.67 and 120,495.94

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Solution

The fourth proportional to 373,203.79, 559,788.67 and 120,495.94 is: 180,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,203.79 : 559,788.67 = 120,495.94 : x
  2. Step 2: Convert to fraction form
    373,203.79/559,788.67 = 120,495.94/x
  3. Step 3: Cross multiply
    373,203.79x = 559,788.67 × 120,495.94
  4. Step 4: Simplify right side
    373,203.79x = 67,452,261,993.00
  5. Step 5: Solve for x
    x = 67,452,261,993.00/373,203.79
  6. Step 6: Final answer
    x = 180,738.42

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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.