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Finding the Fourth Proportional to 375,807.53, 518,635.61 and 222,936.23

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Solution

The fourth proportional to 375,807.53, 518,635.61 and 222,936.23 is: 307,664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,807.53 : 518,635.61 = 222,936.23 : x
  2. Step 2: Convert to fraction form
    375,807.53/518,635.61 = 222,936.23/x
  3. Step 3: Cross multiply
    375,807.53x = 518,635.61 × 222,936.23
  4. Step 4: Simplify right side
    375,807.53x = 115,622,668,655.07
  5. Step 5: Solve for x
    x = 115,622,668,655.07/375,807.53
  6. Step 6: Final answer
    x = 307,664.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.