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Finding the Fourth Proportional to 360,771.85, 541,344.51 and 261,749.35

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Solution

The fourth proportional to 360,771.85, 541,344.51 and 261,749.35 is: 392,759.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,771.85 : 541,344.51 = 261,749.35 : x
  2. Step 2: Convert to fraction form
    360,771.85/541,344.51 = 261,749.35/x
  3. Step 3: Cross multiply
    360,771.85x = 541,344.51 × 261,749.35
  4. Step 4: Simplify right side
    360,771.85x = 141,696,572,309.82
  5. Step 5: Solve for x
    x = 141,696,572,309.82/360,771.85
  6. Step 6: Final answer
    x = 392,759.50

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1.5x scale

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.