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Finding the Fourth Proportional to 363,211.60, 544,817.40 and 262,901.20

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Solution

The fourth proportional to 363,211.60, 544,817.40 and 262,901.20 is: 394,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,211.60 : 544,817.40 = 262,901.20 : x
  2. Step 2: Convert to fraction form
    363,211.60/544,817.40 = 262,901.20/x
  3. Step 3: Cross multiply
    363,211.60x = 544,817.40 × 262,901.20
  4. Step 4: Simplify right side
    363,211.60x = 143,233,148,240.88
  5. Step 5: Solve for x
    x = 143,233,148,240.88/363,211.60
  6. Step 6: Final answer
    x = 394,351.80

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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.