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Finding the Fourth Proportional to 619,301.03, 928,952.96 and 170,028.05

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Solution

The fourth proportional to 619,301.03, 928,952.96 and 170,028.05 is: 255,042.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,301.03 : 928,952.96 = 170,028.05 : x
  2. Step 2: Convert to fraction form
    619,301.03/928,952.96 = 170,028.05/x
  3. Step 3: Cross multiply
    619,301.03x = 928,952.96 × 170,028.05
  4. Step 4: Simplify right side
    619,301.03x = 157,948,054,835.62
  5. Step 5: Solve for x
    x = 157,948,054,835.62/619,301.03
  6. Step 6: Final answer
    x = 255,042.46

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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.