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Finding the Fourth Proportional to 306,803.40, 460,236.52 and 117,423.04

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Solution

The fourth proportional to 306,803.40, 460,236.52 and 117,423.04 is: 176,146.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,803.40 : 460,236.52 = 117,423.04 : x
  2. Step 2: Convert to fraction form
    306,803.40/460,236.52 = 117,423.04/x
  3. Step 3: Cross multiply
    306,803.40x = 460,236.52 × 117,423.04
  4. Step 4: Simplify right side
    306,803.40x = 54,042,371,297.42
  5. Step 5: Solve for x
    x = 54,042,371,297.42/306,803.40
  6. Step 6: Final answer
    x = 176,146.59

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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.