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Finding the Fourth Proportional to 451,166.40, 622,592.64 and 260,187.84

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Solution

The fourth proportional to 451,166.40, 622,592.64 and 260,187.84 is: 359,049.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,166.40 : 622,592.64 = 260,187.84 : x
  2. Step 2: Convert to fraction form
    451,166.40/622,592.64 = 260,187.84/x
  3. Step 3: Cross multiply
    451,166.40x = 622,592.64 × 260,187.84
  4. Step 4: Simplify right side
    451,166.40x = 161,991,034,201.50
  5. Step 5: Solve for x
    x = 161,991,034,201.50/451,166.40
  6. Step 6: Final answer
    x = 359,049.42

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1.5x scale

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.