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Finding the Fourth Proportional to 306,790.99, 460,032.49 and 178,748.72

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Solution

The fourth proportional to 306,790.99, 460,032.49 and 178,748.72 is: 268,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,790.99 : 460,032.49 = 178,748.72 : x
  2. Step 2: Convert to fraction form
    306,790.99/460,032.49 = 178,748.72/x
  3. Step 3: Cross multiply
    306,790.99x = 460,032.49 × 178,748.72
  4. Step 4: Simplify right side
    306,790.99x = 82,230,218,394.31
  5. Step 5: Solve for x
    x = 82,230,218,394.31/306,790.99
  6. Step 6: Final answer
    x = 268,033.36

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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.