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Finding the Fourth Proportional to 622,271, 933,406.50 and 179,039

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Solution

The fourth proportional to 622,271, 933,406.50 and 179,039 is: 268,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,271 : 933,406.50 = 179,039 : x
  2. Step 2: Convert to fraction form
    622,271/933,406.50 = 179,039/x
  3. Step 3: Cross multiply
    622,271x = 933,406.50 × 179,039
  4. Step 4: Simplify right side
    622,271x = 167,116,166,353.50
  5. Step 5: Solve for x
    x = 167,116,166,353.50/622,271
  6. Step 6: Final answer
    x = 268,558.50

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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.