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Finding the Fourth Proportional to 363,040.40, 543,912.60 and 175,638.80

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Solution

The fourth proportional to 363,040.40, 543,912.60 and 175,638.80 is: 263,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,040.40 : 543,912.60 = 175,638.80 : x
  2. Step 2: Convert to fraction form
    363,040.40/543,912.60 = 175,638.80/x
  3. Step 3: Cross multiply
    363,040.40x = 543,912.60 × 175,638.80
  4. Step 4: Simplify right side
    363,040.40x = 95,532,156,368.88
  5. Step 5: Solve for x
    x = 95,532,156,368.88/363,040.40
  6. Step 6: Final answer
    x = 263,144.70

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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.