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Finding the Fourth Proportional to 306,808.70, 460,025.13 and 119,601.50

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Solution

The fourth proportional to 306,808.70, 460,025.13 and 119,601.50 is: 179,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,808.70 : 460,025.13 = 119,601.50 : x
  2. Step 2: Convert to fraction form
    306,808.70/460,025.13 = 119,601.50/x
  3. Step 3: Cross multiply
    306,808.70x = 460,025.13 × 119,601.50
  4. Step 4: Simplify right side
    306,808.70x = 55,019,695,585.70
  5. Step 5: Solve for x
    x = 55,019,695,585.70/306,808.70
  6. Step 6: Final answer
    x = 179,328.99

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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.