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Finding the Fourth Proportional to 245,607.72, 367,923.96 and 189,252.39

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Solution

The fourth proportional to 245,607.72, 367,923.96 and 189,252.39 is: 283,502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,607.72 : 367,923.96 = 189,252.39 : x
  2. Step 2: Convert to fraction form
    245,607.72/367,923.96 = 189,252.39/x
  3. Step 3: Cross multiply
    245,607.72x = 367,923.96 × 189,252.39
  4. Step 4: Simplify right side
    245,607.72x = 69,630,488,768.26
  5. Step 5: Solve for x
    x = 69,630,488,768.26/245,607.72
  6. Step 6: Final answer
    x = 283,502.85

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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.