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Finding the Fourth Proportional to 344,992.77, 517,325.27 and 120,325.91

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Solution

The fourth proportional to 344,992.77, 517,325.27 and 120,325.91 is: 180,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,992.77 : 517,325.27 = 120,325.91 : x
  2. Step 2: Convert to fraction form
    344,992.77/517,325.27 = 120,325.91/x
  3. Step 3: Cross multiply
    344,992.77x = 517,325.27 × 120,325.91
  4. Step 4: Simplify right side
    344,992.77x = 62,247,630,690.49
  5. Step 5: Solve for x
    x = 62,247,630,690.49/344,992.77
  6. Step 6: Final answer
    x = 180,431.70

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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.