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Finding the Fourth Proportional to 336,541.80, 504,812.70 and 123,309.30

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Solution

The fourth proportional to 336,541.80, 504,812.70 and 123,309.30 is: 184,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,541.80 : 504,812.70 = 123,309.30 : x
  2. Step 2: Convert to fraction form
    336,541.80/504,812.70 = 123,309.30/x
  3. Step 3: Cross multiply
    336,541.80x = 504,812.70 × 123,309.30
  4. Step 4: Simplify right side
    336,541.80x = 62,248,100,668.11
  5. Step 5: Solve for x
    x = 62,248,100,668.11/336,541.80
  6. Step 6: Final answer
    x = 184,963.95

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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.