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Finding the Fourth Proportional to 456,762.28, 685,127.02 and 119,800.26

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Solution

The fourth proportional to 456,762.28, 685,127.02 and 119,800.26 is: 179,696.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,762.28 : 685,127.02 = 119,800.26 : x
  2. Step 2: Convert to fraction form
    456,762.28/685,127.02 = 119,800.26/x
  3. Step 3: Cross multiply
    456,762.28x = 685,127.02 × 119,800.26
  4. Step 4: Simplify right side
    456,762.28x = 82,078,395,129.03
  5. Step 5: Solve for x
    x = 82,078,395,129.03/456,762.28
  6. Step 6: Final answer
    x = 179,696.09

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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.