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Finding the Fourth Proportional to 363,089.60, 544,634.40 and 262,779.20

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Solution

The fourth proportional to 363,089.60, 544,634.40 and 262,779.20 is: 394,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,089.60 : 544,634.40 = 262,779.20 : x
  2. Step 2: Convert to fraction form
    363,089.60/544,634.40 = 262,779.20/x
  3. Step 3: Cross multiply
    363,089.60x = 544,634.40 × 262,779.20
  4. Step 4: Simplify right side
    363,089.60x = 143,118,591,924.48
  5. Step 5: Solve for x
    x = 143,118,591,924.48/363,089.60
  6. Step 6: Final answer
    x = 394,168.80

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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.