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Finding the Fourth Proportional to 360,558.70, 540,680.22 and 171,073.09

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Solution

The fourth proportional to 360,558.70, 540,680.22 and 171,073.09 is: 256,534.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,558.70 : 540,680.22 = 171,073.09 : x
  2. Step 2: Convert to fraction form
    360,558.70/540,680.22 = 171,073.09/x
  3. Step 3: Cross multiply
    360,558.70x = 540,680.22 × 171,073.09
  4. Step 4: Simplify right side
    360,558.70x = 92,495,835,937.28
  5. Step 5: Solve for x
    x = 92,495,835,937.28/360,558.70
  6. Step 6: Final answer
    x = 256,534.75

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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.