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Finding the Fourth Proportional to 619,041.54, 928,770.03 and 239,974.64

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Solution

The fourth proportional to 619,041.54, 928,770.03 and 239,974.64 is: 360,042.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,041.54 : 928,770.03 = 239,974.64 : x
  2. Step 2: Convert to fraction form
    619,041.54/928,770.03 = 239,974.64/x
  3. Step 3: Cross multiply
    619,041.54x = 928,770.03 × 239,974.64
  4. Step 4: Simplify right side
    619,041.54x = 222,881,248,948.19
  5. Step 5: Solve for x
    x = 222,881,248,948.19/619,041.54
  6. Step 6: Final answer
    x = 360,042.48

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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.