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Finding the Fourth Proportional to 538,448.85, 807,517.71 and 183,455.01

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Solution

The fourth proportional to 538,448.85, 807,517.71 and 183,455.01 is: 275,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,448.85 : 807,517.71 = 183,455.01 : x
  2. Step 2: Convert to fraction form
    538,448.85/807,517.71 = 183,455.01/x
  3. Step 3: Cross multiply
    538,448.85x = 807,517.71 × 183,455.01
  4. Step 4: Simplify right side
    538,448.85x = 148,143,169,563.23
  5. Step 5: Solve for x
    x = 148,143,169,563.23/538,448.85
  6. Step 6: Final answer
    x = 275,129.51

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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.