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Finding the Fourth Proportional to 619,338.24, 928,907.92 and 169,954.16

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Solution

The fourth proportional to 619,338.24, 928,907.92 and 169,954.16 is: 254,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,338.24 : 928,907.92 = 169,954.16 : x
  2. Step 2: Convert to fraction form
    619,338.24/928,907.92 = 169,954.16/x
  3. Step 3: Cross multiply
    619,338.24x = 928,907.92 × 169,954.16
  4. Step 4: Simplify right side
    619,338.24x = 157,871,765,260.95
  5. Step 5: Solve for x
    x = 157,871,765,260.95/619,338.24
  6. Step 6: Final answer
    x = 254,903.95

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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.