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Finding the Fourth Proportional to 423,288.81, 635,030.17 and 183,442.97

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Solution

The fourth proportional to 423,288.81, 635,030.17 and 183,442.97 is: 275,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,288.81 : 635,030.17 = 183,442.97 : x
  2. Step 2: Convert to fraction form
    423,288.81/635,030.17 = 183,442.97/x
  3. Step 3: Cross multiply
    423,288.81x = 635,030.17 × 183,442.97
  4. Step 4: Simplify right side
    423,288.81x = 116,491,821,553.37
  5. Step 5: Solve for x
    x = 116,491,821,553.37/423,288.81
  6. Step 6: Final answer
    x = 275,206.48

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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.