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Finding the Fourth Proportional to 552,581.88, 761,828.94 and 361,266.36

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Solution

The fourth proportional to 552,581.88, 761,828.94 and 361,266.36 is: 498,067.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,581.88 : 761,828.94 = 361,266.36 : x
  2. Step 2: Convert to fraction form
    552,581.88/761,828.94 = 361,266.36/x
  3. Step 3: Cross multiply
    552,581.88x = 761,828.94 × 361,266.36
  4. Step 4: Simplify right side
    552,581.88x = 275,223,168,096.46
  5. Step 5: Solve for x
    x = 275,223,168,096.46/552,581.88
  6. Step 6: Final answer
    x = 498,067.67

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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.