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Finding the Fourth Proportional to 363,019.60, 544,529.40 and 262,709.20

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Solution

The fourth proportional to 363,019.60, 544,529.40 and 262,709.20 is: 394,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,019.60 : 544,529.40 = 262,709.20 : x
  2. Step 2: Convert to fraction form
    363,019.60/544,529.40 = 262,709.20/x
  3. Step 3: Cross multiply
    363,019.60x = 544,529.40 × 262,709.20
  4. Step 4: Simplify right side
    363,019.60x = 143,052,883,050.48
  5. Step 5: Solve for x
    x = 143,052,883,050.48/363,019.60
  6. Step 6: Final answer
    x = 394,063.80

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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.