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Finding the Fourth Proportional to 307,230.72, 460,841.52 and 187,322.96

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Solution

The fourth proportional to 307,230.72, 460,841.52 and 187,322.96 is: 280,981.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,230.72 : 460,841.52 = 187,322.96 : x
  2. Step 2: Convert to fraction form
    307,230.72/460,841.52 = 187,322.96/x
  3. Step 3: Cross multiply
    307,230.72x = 460,841.52 × 187,322.96
  4. Step 4: Simplify right side
    307,230.72x = 86,326,197,617.30
  5. Step 5: Solve for x
    x = 86,326,197,617.30/307,230.72
  6. Step 6: Final answer
    x = 280,981.66

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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.